Subtract 5/12 from 42/70, Solve 42/70

Subtract 5/12 from 42/70

42/70 - 5/12 is 11/60.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 70 × 6 = 420,
42/70 = 42 × 6/70 × 6 = 252/420
Likewise, for the 2nd fraction, since 12 × 35 = 420,
5/12 = 5 × 35/12 × 35 = 175/420
Subtract the two like fractions:
252/420 - 175/420 = 252 - 175/420 = 77/420
After reducing the fraction, the answer is 11/60

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