Add 40/30 and 60/81
1st number: 1 10/30, 2nd number: 60/81
40/30 + 60/81 is 56/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
40/30 = 40 × 27/30 × 27 = 1080/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
60/81 = 60 × 10/81 × 10 = 600/810 - Add the two like fractions:
1080/810 + 600/810 = 1080 + 600/810 = 1680/810 - 1680/810 simplified gives 56/27
- So, 40/30 + 60/81 = 56/27
In mixed form: 22/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+60/81 40/60+60/81 40/90+60/81