Subtract 84/80 from 10/14, Solve 10/14

Subtract 84/80 from 10/14

1^st number: 10/14, 2^nd number: 1 4/80

10/14 - 84/80 is -47/140.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 14 × 40 = 560,
10/14 = 10 × 40/14 × 40 = 400/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560
Subtract the two like fractions:
400/560 - 588/560 = 400 - 588/560 = -188/560
After reducing the fraction, the answer is -47/140

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