Subtract 70/15 from 27/2, Solve 13 1/2

Subtract 70/15 from 27/2

1^st number: 13 1/2, 2^nd number: 4 10/15

27/2 - 70/15 is 53/6.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 2 × 15 = 30,
27/2 = 27 × 15/2 × 15 = 405/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30
Subtract the two like fractions:
405/30 - 140/30 = 405 - 140/30 = 265/30
After reducing the fraction, the answer is 53/6
In mixed form: 85/6

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