Subtract 80/35 from 40/63, Solve 40/63

Subtract 80/35 from 40/63

1^st number: 40/63, 2^nd number: 2 10/35

40/63 - 80/35 is -104/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315
Likewise, for the 2nd fraction, since 35 × 9 = 315,
80/35 = 80 × 9/35 × 9 = 720/315
Subtract the two like fractions:
200/315 - 720/315 = 200 - 720/315 = -520/315
After reducing the fraction, the answer is -104/63

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