Subtract 10/72 from 3/28, Solve 3/28

Subtract 10/72 from 3/28

3/28 - 10/72 is -2/63.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 28 × 18 = 504,
3/28 = 3 × 18/28 × 18 = 54/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504
Subtract the two like fractions:
54/504 - 70/504 = 54 - 70/504 = -16/504
After reducing the fraction, the answer is -2/63

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