Subtract 50/70 from 56/98, Solve 56/98

Subtract 50/70 from 56/98

56/98 - 50/70 is -1/7.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 98 × 5 = 490,
56/98 = 56 × 5/98 × 5 = 280/490
Likewise, for the 2nd fraction, since 70 × 7 = 490,
50/70 = 50 × 7/70 × 7 = 350/490
Subtract the two like fractions:
280/490 - 350/490 = 280 - 350/490 = -70/490
After reducing the fraction, the answer is -1/7

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