Subtract 30/28 from 72/8, Solve 9 0/8

Subtract 30/28 from 72/8

1^st number: 9 0/8, 2^nd number: 1 2/28

72/8 - 30/28 is 111/14.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 8 × 7 = 56,
72/8 = 72 × 7/8 × 7 = 504/56
Likewise, for the 2nd fraction, since 28 × 2 = 56,
30/28 = 30 × 2/28 × 2 = 60/56
Subtract the two like fractions:
504/56 - 60/56 = 504 - 60/56 = 444/56
After reducing the fraction, the answer is 111/14
In mixed form: 713/14

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