Subtract 3/28 from 30/15, Solve 2 0/15

Subtract 3/28 from 30/15

1^st number: 2 0/15, 2^nd number: 3/28

30/15 - 3/28 is 53/28.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 15 × 28 = 420,
30/15 = 30 × 28/15 × 28 = 840/420
Likewise, for the 2nd fraction, since 28 × 15 = 420,
3/28 = 3 × 15/28 × 15 = 45/420
Subtract the two like fractions:
840/420 - 45/420 = 840 - 45/420 = 795/420
After reducing the fraction, the answer is 53/28
In mixed form: 125/28

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