Subtract 4/35 from 15/12, Solve 1 3/12

Subtract 4/35 from 15/12

1^st number: 1 3/12, 2^nd number: 4/35

15/12 - 4/35 is 159/140.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
15/12 = 15 × 35/12 × 35 = 525/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
4/35 = 4 × 12/35 × 12 = 48/420
Subtract the two like fractions:
525/420 - 48/420 = 525 - 48/420 = 477/420
After reducing the fraction, the answer is 159/140
In mixed form: 119/140

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