Subtract 5/7 from 50/72, Solve 50/72

Subtract 5/7 from 50/72

50/72 - 5/7 is -5/252.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
50/72 = 50 × 7/72 × 7 = 350/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
5/7 = 5 × 72/7 × 72 = 360/504
Subtract the two like fractions:
350/504 - 360/504 = 350 - 360/504 = -10/504
After reducing the fraction, the answer is -5/252

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