Add 81/50 and 9/40
1st number: 1 31/50, 2nd number: 9/40
81/50 + 9/40 is 369/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
9/40 = 9 × 5/40 × 5 = 45/200 - Add the two like fractions:
324/200 + 45/200 = 324 + 45/200 = 369/200 - So, 81/50 + 9/40 = 369/200
In mixed form: 1169/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/50+18/40 81/50+9/80 81/50+27/40 81/50+45/40 81/50+63/40