Subtract 4/10 from 84/7, Solve 12 0/7

Subtract 4/10 from 84/7

1^st number: 12 0/7, 2^nd number: 4/10

84/7 - 4/10 is 58/5.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 7 × 10 = 70,
84/7 = 84 × 10/7 × 10 = 840/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
4/10 = 4 × 7/10 × 7 = 28/70
Subtract the two like fractions:
840/70 - 28/70 = 840 - 28/70 = 812/70
After reducing the fraction, the answer is 58/5
In mixed form: 113/5

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