Subtract 3/80 from 63/7, Solve 9 0/7

Subtract 3/80 from 63/7

1^st number: 9 0/7, 2^nd number: 3/80

63/7 - 3/80 is 717/80.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 7 × 80 = 560,
63/7 = 63 × 80/7 × 80 = 5040/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560
Subtract the two like fractions:
5040/560 - 21/560 = 5040 - 21/560 = 5019/560
After reducing the fraction, the answer is 717/80
In mixed form: 877/80

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