Subtract 70/54 from 5/20
1st number: 5/20, 2nd number: 1 16/54
5/20 - 70/54 is -113/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
5/20 = 5 × 27/20 × 27 = 135/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
70/54 = 70 × 10/54 × 10 = 700/540 - Subtract the two like fractions:
135/540 - 700/540 = 135 - 700/540 = -565/540 - After reducing the fraction, the answer is -113/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-70/54 5/40-70/54 15/20-70/54 5/60-70/54 25/20-70/54 35/20-70/54