Subtract 15/35 from 48/12, Solve 4 0/12

Subtract 15/35 from 48/12

1^st number: 4 0/12, 2^nd number: 15/35

48/12 - 15/35 is 25/7.

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,
48/12 = 48 × 35/12 × 35 = 1680/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
15/35 = 15 × 12/35 × 12 = 180/420
Subtract the two like fractions:
1680/420 - 180/420 = 1680 - 180/420 = 1500/420
After reducing the fraction, the answer is 25/7
In mixed form: 34/7

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