Subtract 8/49 from 3/72, Solve 3/72

Subtract 8/49 from 3/72

3/72 - 8/49 is -143/1176.

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,
3/72 = 3 × 49/72 × 49 = 147/3528
Likewise, for the 2nd fraction, since 49 × 72 = 3528,
8/49 = 8 × 72/49 × 72 = 576/3528
Subtract the two like fractions:
147/3528 - 576/3528 = 147 - 576/3528 = -429/3528
After reducing the fraction, the answer is -143/1176

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