Subtract 40/50 from 27/98
27/98 - 40/50 is -257/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 50 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 98 × 25 = 2450,
27/98 = 27 × 25/98 × 25 = 675/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
40/50 = 40 × 49/50 × 49 = 1960/2450 - Subtract the two like fractions:
675/2450 - 1960/2450 = 675 - 1960/2450 = -1285/2450 - After reducing the fraction, the answer is -257/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98-40/50 27/98-80/50 81/98-40/50