Add 81/8 and 56/10
1st number: 10 1/8, 2nd number: 5 6/10
81/8 + 56/10 is 629/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
81/8 = 81 × 5/8 × 5 = 405/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
56/10 = 56 × 4/10 × 4 = 224/40 - Add the two like fractions:
405/40 + 224/40 = 405 + 224/40 = 629/40 - So, 81/8 + 56/10 = 629/40
In mixed form: 1529/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/16+56/10 81/8+56/20 81/24+56/10 81/8+56/30 81/40+56/10 81/8+56/50 81/56+56/10 81/8+56/70