Subtract 72/63 from 96/30, Solve 3 6/30

Subtract 72/63 from 96/30

1^st number: 3 6/30, 2^nd number: 1 9/63

96/30 - 72/63 is 72/35.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 30 × 21 = 630,
96/30 = 96 × 21/30 × 21 = 2016/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630
Subtract the two like fractions:
2016/630 - 720/630 = 2016 - 720/630 = 1296/630
After reducing the fraction, the answer is 72/35
In mixed form: 22/35

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