Subtract 72/18 from 60/8, Solve 7 4/8

Subtract 72/18 from 60/8

1^st number: 7 4/8, 2^nd number: 4 0/18

60/8 - 72/18 is 7/2.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 8 × 9 = 72,
60/8 = 60 × 9/8 × 9 = 540/72
Likewise, for the 2nd fraction, since 18 × 4 = 72,
72/18 = 72 × 4/18 × 4 = 288/72
Subtract the two like fractions:
540/72 - 288/72 = 540 - 288/72 = 252/72
After reducing the fraction, the answer is 7/2
In mixed form: 31/2

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