Subtract 56/7 from 40/3, Solve 13 1/3

Subtract 56/7 from 40/3

1^st number: 13 1/3, 2^nd number: 8 0/7

40/3 - 56/7 is 16/3.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21

Next, find the equivalent fraction of both fractional numbers with denominator 21
For the 1st fraction, since 3 × 7 = 21,
40/3 = 40 × 7/3 × 7 = 280/21
Likewise, for the 2nd fraction, since 7 × 3 = 21,
56/7 = 56 × 3/7 × 3 = 168/21
Subtract the two like fractions:
280/21 - 168/21 = 280 - 168/21 = 112/21
After reducing the fraction, the answer is 16/3
In mixed form: 51/3

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