Subtract 20/7 from 54/98
1st number: 54/98, 2nd number: 2 6/7
54/98 - 20/7 is -113/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
54/98 = 54 × 1/98 × 1 = 54/98 - Likewise, for the 2nd fraction, since 7 × 14 = 98,
20/7 = 20 × 14/7 × 14 = 280/98 - Subtract the two like fractions:
54/98 - 280/98 = 54 - 280/98 = -226/98 - After reducing the fraction, the answer is -113/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98-40/7 54/98-20/14 54/98-60/7 54/98-20/21 54/98-20/35 54/98-20/49