Subtract 25/8 from 90/98
1st number: 90/98, 2nd number: 3 1/8
90/98 - 25/8 is -865/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
90/98 = 90 × 4/98 × 4 = 360/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
25/8 = 25 × 49/8 × 49 = 1225/392 - Subtract the two like fractions:
360/392 - 1225/392 = 360 - 1225/392 = -865/392
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