Subtract 54/28 from 20/9
1st number: 2 2/9, 2nd number: 1 26/28
20/9 - 54/28 is 37/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
20/9 = 20 × 28/9 × 28 = 560/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
54/28 = 54 × 9/28 × 9 = 486/252 - Subtract the two like fractions:
560/252 - 486/252 = 560 - 486/252 = 74/252 - After reducing the fraction, the answer is 37/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9-54/28 20/18-54/28 20/9-54/56 60/9-54/28 20/27-54/28 20/9-54/84 20/45-54/28 20/63-54/28