Subtract 49/80 from 7/63, Solve 7/63

Subtract 49/80 from 7/63

7/63 - 49/80 is -361/720.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040

Next, find the equivalent fraction of both fractional numbers with denominator 5040
For the 1st fraction, since 63 × 80 = 5040,
7/63 = 7 × 80/63 × 80 = 560/5040
Likewise, for the 2nd fraction, since 80 × 63 = 5040,
49/80 = 49 × 63/80 × 63 = 3087/5040
Subtract the two like fractions:
560/5040 - 3087/5040 = 560 - 3087/5040 = -2527/5040
After reducing the fraction, the answer is -361/720

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