Subtract 98/9 from 45/28
1st number: 1 17/28, 2nd number: 10 8/9
45/28 - 98/9 is -2339/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
98/9 = 98 × 28/9 × 28 = 2744/252 - Subtract the two like fractions:
405/252 - 2744/252 = 405 - 2744/252 = -2339/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-98/9 45/56-98/9 45/28-98/18 45/84-98/9 45/28-98/27 45/28-98/45 45/28-98/63