Subtract 18/80 from 56/8
1st number: 7 0/8, 2nd number: 18/80
56/8 - 18/80 is 271/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
56/8 = 56 × 10/8 × 10 = 560/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80 - Subtract the two like fractions:
560/80 - 18/80 = 560 - 18/80 = 542/80 - After reducing the fraction, the answer is 271/40
- In mixed form: 631/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-36/80 56/16-18/80 56/8-54/80 56/24-18/80 56/8-90/80 56/40-18/80