Subtract 49/32 from 56/70, Solve 56/70

Subtract 49/32 from 56/70

1^st number: 56/70, 2^nd number: 1 17/32

56/70 - 49/32 is -117/160.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120

Next, find the equivalent fraction of both fractional numbers with denominator 1120
For the 1st fraction, since 70 × 16 = 1120,
56/70 = 56 × 16/70 × 16 = 896/1120
Likewise, for the 2nd fraction, since 32 × 35 = 1120,
49/32 = 49 × 35/32 × 35 = 1715/1120
Subtract the two like fractions:
896/1120 - 1715/1120 = 896 - 1715/1120 = -819/1120
After reducing the fraction, the answer is -117/160

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