Subtract 35/63 from 90/35, Solve 2 20/35

Subtract 35/63 from 90/35

1^st number: 2 20/35, 2^nd number: 35/63

90/35 - 35/63 is 127/63.

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,
90/35 = 90 × 9/35 × 9 = 810/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
35/63 = 35 × 5/63 × 5 = 175/315
Subtract the two like fractions:
810/315 - 175/315 = 810 - 175/315 = 635/315
After reducing the fraction, the answer is 127/63
In mixed form: 21/63

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