Subtract 81/49 from 6/15, Solve 6/15

Subtract 81/49 from 6/15

1^st number: 6/15, 2^nd number: 1 32/49

6/15 - 81/49 is -307/245.

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,
6/15 = 6 × 49/15 × 49 = 294/735
Likewise, for the 2nd fraction, since 49 × 15 = 735,
81/49 = 81 × 15/49 × 15 = 1215/735
Subtract the two like fractions:
294/735 - 1215/735 = 294 - 1215/735 = -921/735
After reducing the fraction, the answer is -307/245

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