Subtract 6/84 from 50/15, Solve 3 5/15

Subtract 6/84 from 50/15

1^st number: 3 5/15, 2^nd number: 6/84

50/15 - 6/84 is 137/42.

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,
50/15 = 50 × 28/15 × 28 = 1400/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420
Subtract the two like fractions:
1400/420 - 30/420 = 1400 - 30/420 = 1370/420
After reducing the fraction, the answer is 137/42
In mixed form: 311/42

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