Subtract 8/12 from 15/5, Solve 3 0/5

Subtract 8/12 from 15/5

1^st number: 3 0/5, 2^nd number: 8/12

15/5 - 8/12 is 7/3.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 5 × 12 = 60,
15/5 = 15 × 12/5 × 12 = 180/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60
Subtract the two like fractions:
180/60 - 40/60 = 180 - 40/60 = 140/60
After reducing the fraction, the answer is 7/3
In mixed form: 21/3

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