Subtract 30/7 from 48/60, Solve 48/60

Subtract 30/7 from 48/60

1^st number: 48/60, 2^nd number: 4 2/7

48/60 - 30/7 is -122/35.

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,
48/60 = 48 × 7/60 × 7 = 336/420
Likewise, for the 2nd fraction, since 7 × 60 = 420,
30/7 = 30 × 60/7 × 60 = 1800/420
Subtract the two like fractions:
336/420 - 1800/420 = 336 - 1800/420 = -1464/420
After reducing the fraction, the answer is -122/35

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