Subtract 42/7 from 4/60, Solve 4/60

Subtract 42/7 from 4/60

1^st number: 4/60, 2^nd number: 6 0/7

4/60 - 42/7 is -89/15.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420
Likewise, for the 2nd fraction, since 7 × 60 = 420,
42/7 = 42 × 60/7 × 60 = 2520/420
Subtract the two like fractions:
28/420 - 2520/420 = 28 - 2520/420 = -2492/420
After reducing the fraction, the answer is -89/15

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