Subtract 6/72 from 21/3, Solve 7 0/3

Subtract 6/72 from 21/3

1^st number: 7 0/3, 2^nd number: 6/72

21/3 - 6/72 is 83/12.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 3 × 24 = 72,
21/3 = 21 × 24/3 × 24 = 504/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72
Subtract the two like fractions:
504/72 - 6/72 = 504 - 6/72 = 498/72
After reducing the fraction, the answer is 83/12
In mixed form: 611/12

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