Subtract 28/80 from 15/14, Solve 1 1/14

Subtract 28/80 from 15/14

1^st number: 1 1/14, 2^nd number: 28/80

15/14 - 28/80 is 101/140.

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,
15/14 = 15 × 40/14 × 40 = 600/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
28/80 = 28 × 7/80 × 7 = 196/560
Subtract the two like fractions:
600/560 - 196/560 = 600 - 196/560 = 404/560
After reducing the fraction, the answer is 101/140

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