Subtract 50/15 from 10/84, Solve 10/84

Subtract 50/15 from 10/84

1^st number: 10/84, 2^nd number: 3 5/15

10/84 - 50/15 is -45/14.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
10/84 = 10 × 5/84 × 5 = 50/420
Likewise, for the 2nd fraction, since 15 × 28 = 420,
50/15 = 50 × 28/15 × 28 = 1400/420
Subtract the two like fractions:
50/420 - 1400/420 = 50 - 1400/420 = -1350/420
After reducing the fraction, the answer is -45/14

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