Subtract 8/10 from 70/63, Solve 1 7/63

Subtract 8/10 from 70/63

1^st number: 1 7/63, 2^nd number: 8/10

70/63 - 8/10 is 14/45.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630
Likewise, for the 2nd fraction, since 10 × 63 = 630,
8/10 = 8 × 63/10 × 63 = 504/630
Subtract the two like fractions:
700/630 - 504/630 = 700 - 504/630 = 196/630
After reducing the fraction, the answer is 14/45

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