Subtract 10/18 from 4/49, Solve 4/49

Subtract 10/18 from 4/49

4/49 - 10/18 is -209/441.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 49 × 18 = 882,
4/49 = 4 × 18/49 × 18 = 72/882
Likewise, for the 2nd fraction, since 18 × 49 = 882,
10/18 = 10 × 49/18 × 49 = 490/882
Subtract the two like fractions:
72/882 - 490/882 = 72 - 490/882 = -418/882
After reducing the fraction, the answer is -209/441

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