Subtract 42/49 from 7/60
7/60 - 42/49 is -311/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
7/60 = 7 × 49/60 × 49 = 343/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
42/49 = 42 × 60/49 × 60 = 2520/2940 - Subtract the two like fractions:
343/2940 - 2520/2940 = 343 - 2520/2940 = -2177/2940 - After reducing the fraction, the answer is -311/420
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