Subtract 21/63 from 50/56, Solve 50/56

Subtract 21/63 from 50/56

50/56 - 21/63 is 47/84.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
50/56 = 50 × 9/56 × 9 = 450/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504
Subtract the two like fractions:
450/504 - 168/504 = 450 - 168/504 = 282/504
After reducing the fraction, the answer is 47/84

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