Subtract 9/90 from 45/60
45/60 - 9/90 is 13/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
9/90 = 9 × 2/90 × 2 = 18/180 - Subtract the two like fractions:
135/180 - 18/180 = 135 - 18/180 = 117/180 - After reducing the fraction, the answer is 13/20
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