Subtract 63/90 from 9/49
9/49 - 63/90 is -253/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
9/49 = 9 × 90/49 × 90 = 810/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
63/90 = 63 × 49/90 × 49 = 3087/4410 - Subtract the two like fractions:
810/4410 - 3087/4410 = 810 - 3087/4410 = -2277/4410 - After reducing the fraction, the answer is -253/490
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