Subtract 8/49 from 15/70, Solve 15/70

Subtract 8/49 from 15/70

15/70 - 8/49 is 5/98.

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,
15/70 = 15 × 7/70 × 7 = 105/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
8/49 = 8 × 10/49 × 10 = 80/490
Subtract the two like fractions:
105/490 - 80/490 = 105 - 80/490 = 25/490
After reducing the fraction, the answer is 5/98

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