Subtract 20/5 from 7/54
1st number: 7/54, 2nd number: 4 0/5
7/54 - 20/5 is -209/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
7/54 = 7 × 5/54 × 5 = 35/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
20/5 = 20 × 54/5 × 54 = 1080/270 - Subtract the two like fractions:
35/270 - 1080/270 = 35 - 1080/270 = -1045/270 - After reducing the fraction, the answer is -209/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54-20/5 7/54-40/5 7/54-20/10 21/54-20/5 7/54-60/5 7/54-20/15 35/54-20/5 7/54-20/25 49/54-20/5 7/54-20/35