Subtract 4/80 from 63/14, Solve 4 7/14

Subtract 4/80 from 63/14

1^st number: 4 7/14, 2^nd number: 4/80

63/14 - 4/80 is 89/20.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 14 × 40 = 560,
63/14 = 63 × 40/14 × 40 = 2520/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
4/80 = 4 × 7/80 × 7 = 28/560
Subtract the two like fractions:
2520/560 - 28/560 = 2520 - 28/560 = 2492/560
After reducing the fraction, the answer is 89/20
In mixed form: 49/20

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