Subtract 21/50 from 12/63, Solve 12/63

Subtract 21/50 from 12/63

12/63 - 21/50 is -241/1050.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150

Next, find the equivalent fraction of both fractional numbers with denominator 3150
For the 1st fraction, since 63 × 50 = 3150,
12/63 = 12 × 50/63 × 50 = 600/3150
Likewise, for the 2nd fraction, since 50 × 63 = 3150,
21/50 = 21 × 63/50 × 63 = 1323/3150
Subtract the two like fractions:
600/3150 - 1323/3150 = 600 - 1323/3150 = -723/3150
After reducing the fraction, the answer is -241/1050

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