Subtract 54/4 from 20/9
1st number: 2 2/9, 2nd number: 13 2/4
20/9 - 54/4 is -203/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
20/9 = 20 × 4/9 × 4 = 80/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
54/4 = 54 × 9/4 × 9 = 486/36 - Subtract the two like fractions:
80/36 - 486/36 = 80 - 486/36 = -406/36 - After reducing the fraction, the answer is -203/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9-54/4 20/18-54/4 20/9-54/8 60/9-54/4 20/27-54/4 20/9-54/12 20/45-54/4 20/9-54/20 20/63-54/4 20/9-54/28