Subtract 42/49 from 14/30, Solve 14/30

Subtract 42/49 from 14/30

14/30 - 42/49 is -41/105.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 30 × 49 = 1470,
14/30 = 14 × 49/30 × 49 = 686/1470
Likewise, for the 2nd fraction, since 49 × 30 = 1470,
42/49 = 42 × 30/49 × 30 = 1260/1470
Subtract the two like fractions:
686/1470 - 1260/1470 = 686 - 1260/1470 = -574/1470
After reducing the fraction, the answer is -41/105

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