Subtract 84/20 from 16/14, Solve 1 2/14

Subtract 84/20 from 16/14

1^st number: 1 2/14, 2^nd number: 4 4/20

16/14 - 84/20 is -107/35.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 14 × 10 = 140,
16/14 = 16 × 10/14 × 10 = 160/140
Likewise, for the 2nd fraction, since 20 × 7 = 140,
84/20 = 84 × 7/20 × 7 = 588/140
Subtract the two like fractions:
160/140 - 588/140 = 160 - 588/140 = -428/140
After reducing the fraction, the answer is -107/35

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