Subtract 42/72 from 3/60
3/60 - 42/72 is -8/15.
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,
3/60 = 3 × 6/60 × 6 = 18/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
42/72 = 42 × 5/72 × 5 = 210/360 - Subtract the two like fractions:
18/360 - 210/360 = 18 - 210/360 = -192/360 - After reducing the fraction, the answer is -8/15
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