Subtract 3/63 from 32/20, Solve 1 12/20

Subtract 3/63 from 32/20

1^st number: 1 12/20, 2^nd number: 3/63

32/20 - 3/63 is 163/105.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 20 × 63 = 1260,
32/20 = 32 × 63/20 × 63 = 2016/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
3/63 = 3 × 20/63 × 20 = 60/1260
Subtract the two like fractions:
2016/1260 - 60/1260 = 2016 - 60/1260 = 1956/1260
After reducing the fraction, the answer is 163/105
In mixed form: 158/105

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