Subtract 60/10 from 15/84, Solve 15/84

Subtract 60/10 from 15/84

1^st number: 15/84, 2^nd number: 6 0/10

15/84 - 60/10 is -163/28.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
15/84 = 15 × 5/84 × 5 = 75/420
Likewise, for the 2nd fraction, since 10 × 42 = 420,
60/10 = 60 × 42/10 × 42 = 2520/420
Subtract the two like fractions:
75/420 - 2520/420 = 75 - 2520/420 = -2445/420
After reducing the fraction, the answer is -163/28

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