Subtract 8/49 from 10/70, Solve 10/70

Subtract 8/49 from 10/70

10/70 - 8/49 is -1/49.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 70 × 7 = 490,
10/70 = 10 × 7/70 × 7 = 70/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
8/49 = 8 × 10/49 × 10 = 80/490
Subtract the two like fractions:
70/490 - 80/490 = 70 - 80/490 = -10/490
After reducing the fraction, the answer is -1/49

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