Add 40/30 and 81/50
1st number: 1 10/30, 2nd number: 1 31/50
40/30 + 81/50 is 443/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
40/30 = 40 × 5/30 × 5 = 200/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
81/50 = 81 × 3/50 × 3 = 243/150 - Add the two like fractions:
200/150 + 243/150 = 200 + 243/150 = 443/150 - So, 40/30 + 81/50 = 443/150
In mixed form: 2143/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+81/50 40/60+81/50 40/90+81/50