Subtract 20/56 from 45/10
1st number: 4 5/10, 2nd number: 20/56
45/10 - 20/56 is 29/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
45/10 = 45 × 28/10 × 28 = 1260/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
20/56 = 20 × 5/56 × 5 = 100/280 - Subtract the two like fractions:
1260/280 - 100/280 = 1260 - 100/280 = 1160/280 - After reducing the fraction, the answer is 29/7
- In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-20/56 45/10-40/56 45/20-20/56 45/10-60/56 45/30-20/56 45/50-20/56 45/70-20/56