Subtract 98/49 from 7/15, Solve 7/15

Subtract 98/49 from 7/15

1^st number: 7/15, 2^nd number: 2 0/49

7/15 - 98/49 is -23/15.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735

Next, find the equivalent fraction of both fractional numbers with denominator 735
For the 1st fraction, since 15 × 49 = 735,
7/15 = 7 × 49/15 × 49 = 343/735
Likewise, for the 2nd fraction, since 49 × 15 = 735,
98/49 = 98 × 15/49 × 15 = 1470/735
Subtract the two like fractions:
343/735 - 1470/735 = 343 - 1470/735 = -1127/735
After reducing the fraction, the answer is -23/15

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