Subtract 18/8 from 56/49, Solve 1 7/49

Subtract 18/8 from 56/49

1^st number: 1 7/49, 2^nd number: 2 2/8

56/49 - 18/8 is -31/28.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 49 × 8 = 392,
56/49 = 56 × 8/49 × 8 = 448/392
Likewise, for the 2nd fraction, since 8 × 49 = 392,
18/8 = 18 × 49/8 × 49 = 882/392
Subtract the two like fractions:
448/392 - 882/392 = 448 - 882/392 = -434/392
After reducing the fraction, the answer is -31/28

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