Subtract 4/8 from 90/15, Solve 6 0/15

Subtract 4/8 from 90/15

1^st number: 6 0/15, 2^nd number: 4/8

90/15 - 4/8 is 11/2.

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,
90/15 = 90 × 8/15 × 8 = 720/120
Likewise, for the 2nd fraction, since 8 × 15 = 120,
4/8 = 4 × 15/8 × 15 = 60/120
Subtract the two like fractions:
720/120 - 60/120 = 720 - 60/120 = 660/120
After reducing the fraction, the answer is 11/2
In mixed form: 51/2

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