Subtract 9/84 from 15/4, Solve 3 3/4

Subtract 9/84 from 15/4

1^st number: 3 3/4, 2^nd number: 9/84

15/4 - 9/84 is 51/14.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
15/4 = 15 × 21/4 × 21 = 315/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84
Subtract the two like fractions:
315/84 - 9/84 = 315 - 9/84 = 306/84
After reducing the fraction, the answer is 51/14
In mixed form: 39/14

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