Subtract 20/98 from 7/75
7/75 - 20/98 is -407/3675.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 98 is 7350
Next, find the equivalent fraction of both fractional numbers with denominator 7350 - For the 1st fraction, since 75 × 98 = 7350,
7/75 = 7 × 98/75 × 98 = 686/7350 - Likewise, for the 2nd fraction, since 98 × 75 = 7350,
20/98 = 20 × 75/98 × 75 = 1500/7350 - Subtract the two like fractions:
686/7350 - 1500/7350 = 686 - 1500/7350 = -814/7350 - After reducing the fraction, the answer is -407/3675
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-20/98 7/75-40/98 21/75-20/98 7/75-60/98 35/75-20/98 49/75-20/98