Subtract 7/30 from 42/28, Solve 1 14/28

Subtract 7/30 from 42/28

1^st number: 1 14/28, 2^nd number: 7/30

42/28 - 7/30 is 19/15.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
42/28 = 42 × 15/28 × 15 = 630/420
Likewise, for the 2nd fraction, since 30 × 14 = 420,
7/30 = 7 × 14/30 × 14 = 98/420
Subtract the two like fractions:
630/420 - 98/420 = 630 - 98/420 = 532/420
After reducing the fraction, the answer is 19/15
In mixed form: 14/15

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