Subtract 81/98 from 6/45
6/45 - 81/98 is -1019/1470.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 45 × 98 = 4410,
6/45 = 6 × 98/45 × 98 = 588/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
81/98 = 81 × 45/98 × 45 = 3645/4410 - Subtract the two like fractions:
588/4410 - 3645/4410 = 588 - 3645/4410 = -3057/4410 - After reducing the fraction, the answer is -1019/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45-81/98 6/90-81/98 18/45-81/98 30/45-81/98 42/45-81/98