Subtract 15/35 from 72/8, Solve 9 0/8

Subtract 15/35 from 72/8

1^st number: 9 0/8, 2^nd number: 15/35

72/8 - 15/35 is 60/7.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 35 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 8 × 35 = 280,
72/8 = 72 × 35/8 × 35 = 2520/280
Likewise, for the 2nd fraction, since 35 × 8 = 280,
15/35 = 15 × 8/35 × 8 = 120/280
Subtract the two like fractions:
2520/280 - 120/280 = 2520 - 120/280 = 2400/280
After reducing the fraction, the answer is 60/7
In mixed form: 84/7

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