Subtract 70/21 from 14/32, Solve 14/32

Subtract 70/21 from 14/32

1^st number: 14/32, 2^nd number: 3 7/21

14/32 - 70/21 is -139/48.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
14/32 = 14 × 21/32 × 21 = 294/672
Likewise, for the 2nd fraction, since 21 × 32 = 672,
70/21 = 70 × 32/21 × 32 = 2240/672
Subtract the two like fractions:
294/672 - 2240/672 = 294 - 2240/672 = -1946/672
After reducing the fraction, the answer is -139/48

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