Subtract 10/72 from 1/49, Solve 1/49

Subtract 10/72 from 1/49

1/49 - 10/72 is -209/1764.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 49 × 72 = 3528,
1/49 = 1 × 72/49 × 72 = 72/3528
Likewise, for the 2nd fraction, since 72 × 49 = 3528,
10/72 = 10 × 49/72 × 49 = 490/3528
Subtract the two like fractions:
72/3528 - 490/3528 = 72 - 490/3528 = -418/3528
After reducing the fraction, the answer is -209/1764

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