Subtract 6/8 from 80/15, Solve 5 5/15

Subtract 6/8 from 80/15

1^st number: 5 5/15, 2^nd number: 6/8

80/15 - 6/8 is 55/12.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 15 × 8 = 120,
80/15 = 80 × 8/15 × 8 = 640/120
Likewise, for the 2nd fraction, since 8 × 15 = 120,
6/8 = 6 × 15/8 × 15 = 90/120
Subtract the two like fractions:
640/120 - 90/120 = 640 - 90/120 = 550/120
After reducing the fraction, the answer is 55/12
In mixed form: 47/12

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