Subtract 63/98 from 25/90
25/90 - 63/98 is -23/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
25/90 = 25 × 49/90 × 49 = 1225/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
63/98 = 63 × 45/98 × 45 = 2835/4410 - Subtract the two like fractions:
1225/4410 - 2835/4410 = 1225 - 2835/4410 = -1610/4410 - After reducing the fraction, the answer is -23/63
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