Add 56/40 and 81/10
1st number: 1 16/40, 2nd number: 8 1/10
56/40 + 81/10 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
56/40 = 56 × 1/40 × 1 = 56/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
81/10 = 81 × 4/10 × 4 = 324/40 - Add the two like fractions:
56/40 + 324/40 = 56 + 324/40 = 380/40 - 380/40 simplified gives 19/2
- So, 56/40 + 81/10 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80+81/10 56/40+81/20 56/40+81/30 56/40+81/50 56/40+81/70