Add 20/40 and 56/50
1st number: 20/40, 2nd number: 1 6/50
20/40 + 56/50 is 81/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
20/40 = 20 × 5/40 × 5 = 100/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
56/50 = 56 × 4/50 × 4 = 224/200 - Add the two like fractions:
100/200 + 224/200 = 100 + 224/200 = 324/200 - 324/200 simplified gives 81/50
- So, 20/40 + 56/50 = 81/50
In mixed form: 131/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+56/50 60/40+56/50