Subtract 42/60 from 5/7
5/7 - 42/60 is 1/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
5/7 = 5 × 60/7 × 60 = 300/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Subtract the two like fractions:
300/420 - 294/420 = 300 - 294/420 = 6/420 - After reducing the fraction, the answer is 1/70
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