Add 40/9 and 81/60
1st number: 4 4/9, 2nd number: 1 21/60
40/9 + 81/60 is 1043/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
40/9 = 40 × 20/9 × 20 = 800/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Add the two like fractions:
800/180 + 243/180 = 800 + 243/180 = 1043/180 - So, 40/9 + 81/60 = 1043/180
In mixed form: 5143/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9+81/60 40/18+81/60 40/27+81/60 40/45+81/60 40/63+81/60