Subtract 90/63 from 16/35, Solve 16/35

Subtract 90/63 from 16/35

1^st number: 16/35, 2^nd number: 1 27/63

16/35 - 90/63 is -34/35.

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

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 35 × 9 = 315,
16/35 = 16 × 9/35 × 9 = 144/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315
Subtract the two like fractions:
144/315 - 450/315 = 144 - 450/315 = -306/315
After reducing the fraction, the answer is -34/35

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