Add 56/40 and 15/80
1st number: 1 16/40, 2nd number: 15/80
56/40 + 15/80 is 127/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
56/40 = 56 × 2/40 × 2 = 112/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Add the two like fractions:
112/80 + 15/80 = 112 + 15/80 = 127/80 - So, 56/40 + 15/80 = 127/80
In mixed form: 147/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+30/80 56/80+15/80 56/40+45/80 56/40+75/80