Subtract 49/70 from 28/12, Solve 2 4/12

Subtract 49/70 from 28/12

1^st number: 2 4/12, 2^nd number: 49/70

28/12 - 49/70 is 49/30.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
28/12 = 28 × 35/12 × 35 = 980/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
49/70 = 49 × 6/70 × 6 = 294/420
Subtract the two like fractions:
980/420 - 294/420 = 980 - 294/420 = 686/420
After reducing the fraction, the answer is 49/30
In mixed form: 119/30

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