Subtract 14/49 from 7/70, Solve 7/70

Subtract 14/49 from 7/70

7/70 - 14/49 is -13/70.

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,
7/70 = 7 × 7/70 × 7 = 49/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
14/49 = 14 × 10/49 × 10 = 140/490
Subtract the two like fractions:
49/490 - 140/490 = 49 - 140/490 = -91/490
After reducing the fraction, the answer is -13/70

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