Subtract 2/70 from 15/49, Solve 15/49

Subtract 2/70 from 15/49

15/49 - 2/70 is 68/245.

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

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 49 × 10 = 490,
15/49 = 15 × 10/49 × 10 = 150/490
Likewise, for the 2nd fraction, since 70 × 7 = 490,
2/70 = 2 × 7/70 × 7 = 14/490
Subtract the two like fractions:
150/490 - 14/490 = 150 - 14/490 = 136/490
After reducing the fraction, the answer is 68/245

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