Add 16/81 and 40/30
1st number: 16/81, 2nd number: 1 10/30
16/81 + 40/30 is 124/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
16/81 = 16 × 10/81 × 10 = 160/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
40/30 = 40 × 27/30 × 27 = 1080/810 - Add the two like fractions:
160/810 + 1080/810 = 160 + 1080/810 = 1240/810 - 1240/810 simplified gives 124/81
- So, 16/81 + 40/30 = 124/81
In mixed form: 143/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/81+40/30 16/81+80/30 16/81+40/60 48/81+40/30 16/81+40/90 80/81+40/30