Subtract 5/40 from 56/63, Solve 56/63

Subtract 5/40 from 56/63

56/63 - 5/40 is 55/72.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 63 × 40 = 2520,
56/63 = 56 × 40/63 × 40 = 2240/2520
Likewise, for the 2nd fraction, since 40 × 63 = 2520,
5/40 = 5 × 63/40 × 63 = 315/2520
Subtract the two like fractions:
2240/2520 - 315/2520 = 2240 - 315/2520 = 1925/2520
After reducing the fraction, the answer is 55/72

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