Subtract 80/63 from 14/80, Solve 14/80

Subtract 80/63 from 14/80

1^st number: 14/80, 2^nd number: 1 17/63

14/80 - 80/63 is -2759/2520.

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

Next, find the equivalent fraction of both fractional numbers with denominator 5040
For the 1st fraction, since 80 × 63 = 5040,
14/80 = 14 × 63/80 × 63 = 882/5040
Likewise, for the 2nd fraction, since 63 × 80 = 5040,
80/63 = 80 × 80/63 × 80 = 6400/5040
Subtract the two like fractions:
882/5040 - 6400/5040 = 882 - 6400/5040 = -5518/5040
After reducing the fraction, the answer is -2759/2520

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