Subtract 56/63 from 7/10, Solve 7/10

Subtract 56/63 from 7/10

7/10 - 56/63 is -17/90.

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,
7/10 = 7 × 63/10 × 63 = 441/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
56/63 = 56 × 10/63 × 10 = 560/630
Subtract the two like fractions:
441/630 - 560/630 = 441 - 560/630 = -119/630
After reducing the fraction, the answer is -17/90

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