Subtract 21/70 from 96/12, Solve 8 0/12

Subtract 21/70 from 96/12

1^st number: 8 0/12, 2^nd number: 21/70

96/12 - 21/70 is 77/10.

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,
96/12 = 96 × 35/12 × 35 = 3360/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
21/70 = 21 × 6/70 × 6 = 126/420
Subtract the two like fractions:
3360/420 - 126/420 = 3360 - 126/420 = 3234/420
After reducing the fraction, the answer is 77/10
In mixed form: 77/10

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