Subtract 5/30 from 28/15, Solve 1 13/15

Subtract 5/30 from 28/15

1^st number: 1 13/15, 2^nd number: 5/30

28/15 - 5/30 is 17/10.

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

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 15 × 2 = 30,
28/15 = 28 × 2/15 × 2 = 56/30
Likewise, for the 2nd fraction, since 30 × 1 = 30,
5/30 = 5 × 1/30 × 1 = 5/30
Subtract the two like fractions:
56/30 - 5/30 = 56 - 5/30 = 51/30
After reducing the fraction, the answer is 17/10
In mixed form: 17/10

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