Subtract 80/98 from 60/90
60/90 - 80/98 is -22/147.
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,
60/90 = 60 × 49/90 × 49 = 2940/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
80/98 = 80 × 45/98 × 45 = 3600/4410 - Subtract the two like fractions:
2940/4410 - 3600/4410 = 2940 - 3600/4410 = -660/4410 - After reducing the fraction, the answer is -22/147
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