Subtract 4/8 from 56/20
1st number: 2 16/20, 2nd number: 4/8
56/20 - 4/8 is 23/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
56/20 = 56 × 2/20 × 2 = 112/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
4/8 = 4 × 5/8 × 5 = 20/40 - Subtract the two like fractions:
112/40 - 20/40 = 112 - 20/40 = 92/40 - After reducing the fraction, the answer is 23/10
- In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40-4/8 56/20-4/16 56/20-12/8 56/60-4/8 56/20-4/24 56/20-20/8 56/20-4/40 56/20-28/8 56/20-4/56