Here are the steps to solve this problem:
1) 3/4 - 1/2
2) Find the lowest common denominator which is 4
3) Rewrite the fractions with a denominator of 4:
3/4 stays the same
1/2 = 2/4
4) Subtract the numerators: 3/4 - 2/4 = 1/4
The answer is A.
3. CHAPTER 3 : PECAHAN (FRACTION)
• A part of whole (sebahagian dari keseluruhan)
Numerator (penombor)
Denominator (penyebut)
• Addition and subtraction (penambah/penolakan)
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4. NOTE
• Multiplication (darab)
simplify use the
cutting method
• Subtractions (bahagi) the product upside
down and simplify if
possible
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5. NOTE
• Equivalent (pecahan setara)
• Mixed Number
Whole number fraction
Improper
Proper fraction
fractions
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6. • Fraction is a number that represents part of the overall .
NOTA PEPERIKSAAN
• Fraction is written in the form
When the numerator
equal to the
(a and b is integer n b is not 0 ) denominator, the fraction
is 1. Number 1 in the
• a is know as numerator and b is known as denominator. fraction representing all
For example: parts of the whole. For
example:
1 part of 4 parts can be written as
1/4
The shaded part = 3/3
=1
• Fraction can also be represented by the number line.
For example:
a) The shaded part = 8/8
=1
b)
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7. PROPER FRACTION AND IMPROPER
FRACTION (PECAHAN WAJAR DAN
PECAHAN TIDAK WAJAR)
• Proper fraction is a fraction with the numerator less than the
denominator.
Example :
• Improper fraction is a fraction with same numerator or more than
denominator.
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8. Mixed number can also be converted to improper fractions.
To convert the improper fraction to a mixed number, divide the
numerator by the denominator.
ADDITION AND SUBSTRACTION
(PENAMBAHAN DAN PENOLAKAN
PECAHAN)
To add or subtract fractions the same denominator, follow the steps
below:
a) Keep denominator.
b) Add or lolakkan-numerator numerator.
c) Simplify the fraction if possible.
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9. EXAMPLE 1
GSTK for 8 and 9 is 72
Rewrite each fraction as
equal with 72 as denominator
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10. To add mixed numbers with fractions, follow the steps below.
Method 1
- Add separate whole numbers with fractions
EXAMPLE 2
Whole Number
Fraction
GSTK for 2 and 5 is 10
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11. When multiplying mixed numbers, change the mixed numbers to
improper fractions first. Then, multiply the fraction by the repeal.
EXAMPLE 3
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12. The quotient of a fraction of a fraction of other
Sengan can be obtained by multiplying the first
fraction by fraction of a second reverse, for example:
EXAMINATION NOTE
To divide fractions to
whole numbers, the +
converted to x and
write the divisor as a
rival.
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13. JOINT OPERATIONS INVOLVING
FRACTIONAL (GABUNGAN
OPERASI YANG MELIBATKAN
PECAHAN)
When performing combined operations on
fractions, follow the steps below.
NOTA PEPERIKSAAN
a) Perform operations in parentheses first.
b) Perform multiplication and division from left and Tukar semua
right. pecahan kepada
c) Finally, do addition and subtraction from left to pecahan setara
right. dahulu.
Kemudia, tolakkan
pengangka dan
kekalkan penyebut.
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