Subtract 48/72 from 9/28, Solve 9/28

Subtract 48/72 from 9/28

9/28 - 48/72 is -29/84.

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,
9/28 = 9 × 18/28 × 18 = 162/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
48/72 = 48 × 7/72 × 7 = 336/504
Subtract the two like fractions:
162/504 - 336/504 = 162 - 336/504 = -174/504
After reducing the fraction, the answer is -29/84

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