Subtract 84/80 from 3/14, Solve 3/14

Subtract 84/80 from 3/14

1^st number: 3/14, 2^nd number: 1 4/80

3/14 - 84/80 is -117/140.

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,
3/14 = 3 × 40/14 × 40 = 120/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560
Subtract the two like fractions:
120/560 - 588/560 = 120 - 588/560 = -468/560
After reducing the fraction, the answer is -117/140

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