Subtract 42/80 from 56/10
1st number: 5 6/10, 2nd number: 42/80
56/10 - 42/80 is 203/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
56/10 = 56 × 8/10 × 8 = 448/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Subtract the two like fractions:
448/80 - 42/80 = 448 - 42/80 = 406/80 - After reducing the fraction, the answer is 203/40
- In mixed form: 53/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-84/80 56/20-42/80 56/30-42/80 56/50-42/80 56/70-42/80