Subtract 63/90 from 10/49
10/49 - 63/90 is -243/490.
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,
10/49 = 10 × 90/49 × 90 = 900/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
63/90 = 63 × 49/90 × 49 = 3087/4410 - Subtract the two like fractions:
900/4410 - 3087/4410 = 900 - 3087/4410 = -2187/4410 - After reducing the fraction, the answer is -243/490
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