Subtract 18/72 from 42/60
42/60 - 18/72 is 9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
42/60 = 42 × 6/60 × 6 = 252/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Subtract the two like fractions:
252/360 - 90/360 = 252 - 90/360 = 162/360 - After reducing the fraction, the answer is 9/20
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