Subtract 8/15 from 27/10, Solve 2 7/10

Subtract 8/15 from 27/10

1^st number: 2 7/10, 2^nd number: 8/15

27/10 - 8/15 is 13/6.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 10 × 3 = 30,
27/10 = 27 × 3/10 × 3 = 81/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
8/15 = 8 × 2/15 × 2 = 16/30
Subtract the two like fractions:
81/30 - 16/30 = 81 - 16/30 = 65/30
After reducing the fraction, the answer is 13/6
In mixed form: 21/6

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