Subtract 18/49 from 6/90, Solve 6/90

Subtract 18/49 from 6/90

6/90 - 18/49 is -221/735.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410

Next, find the equivalent fraction of both fractional numbers with denominator 4410
For the 1st fraction, since 90 × 49 = 4410,
6/90 = 6 × 49/90 × 49 = 294/4410
Likewise, for the 2nd fraction, since 49 × 90 = 4410,
18/49 = 18 × 90/49 × 90 = 1620/4410
Subtract the two like fractions:
294/4410 - 1620/4410 = 294 - 1620/4410 = -1326/4410
After reducing the fraction, the answer is -221/735

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