Subtract 60/84 from 90/15, Solve 6 0/15

Subtract 60/84 from 90/15

1^st number: 6 0/15, 2^nd number: 60/84

90/15 - 60/84 is 37/7.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 15 × 28 = 420,
90/15 = 90 × 28/15 × 28 = 2520/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
60/84 = 60 × 5/84 × 5 = 300/420
Subtract the two like fractions:
2520/420 - 300/420 = 2520 - 300/420 = 2220/420
After reducing the fraction, the answer is 37/7
In mixed form: 52/7

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