Subtract 21/63 from 70/35, Solve 2 0/35

Subtract 21/63 from 70/35

1^st number: 2 0/35, 2^nd number: 21/63

70/35 - 21/63 is 5/3.

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,
70/35 = 70 × 9/35 × 9 = 630/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
21/63 = 21 × 5/63 × 5 = 105/315
Subtract the two like fractions:
630/315 - 105/315 = 630 - 105/315 = 525/315
After reducing the fraction, the answer is 5/3
In mixed form: 12/3

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