Subtract 63/35 from 36/80, Solve 36/80

Subtract 63/35 from 36/80

1^st number: 36/80, 2^nd number: 1 28/35

36/80 - 63/35 is -27/20.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
36/80 = 36 × 7/80 × 7 = 252/560
Likewise, for the 2nd fraction, since 35 × 16 = 560,
63/35 = 63 × 16/35 × 16 = 1008/560
Subtract the two like fractions:
252/560 - 1008/560 = 252 - 1008/560 = -756/560
After reducing the fraction, the answer is -27/20

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