Subtract 9/49 from 16/72, Solve 16/72

Subtract 9/49 from 16/72

16/72 - 9/49 is 17/441.

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

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 72 × 49 = 3528,
16/72 = 16 × 49/72 × 49 = 784/3528
Likewise, for the 2nd fraction, since 49 × 72 = 3528,
9/49 = 9 × 72/49 × 72 = 648/3528
Subtract the two like fractions:
784/3528 - 648/3528 = 784 - 648/3528 = 136/3528
After reducing the fraction, the answer is 17/441

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