Subtract 3/63 from 12/10, Solve 1 2/10

Subtract 3/63 from 12/10

1^st number: 1 2/10, 2^nd number: 3/63

12/10 - 3/63 is 121/105.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 10 × 63 = 630,
12/10 = 12 × 63/10 × 63 = 756/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
3/63 = 3 × 10/63 × 10 = 30/630
Subtract the two like fractions:
756/630 - 30/630 = 756 - 30/630 = 726/630
After reducing the fraction, the answer is 121/105
In mixed form: 116/105

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