Add 35/10 and 18/81
1st number: 3 5/10, 2nd number: 18/81
35/10 + 18/81 is 67/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
35/10 = 35 × 81/10 × 81 = 2835/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
18/81 = 18 × 10/81 × 10 = 180/810 - Add the two like fractions:
2835/810 + 180/810 = 2835 + 180/810 = 3015/810 - 3015/810 simplified gives 67/18
- So, 35/10 + 18/81 = 67/18
In mixed form: 313/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+18/81 35/10+36/81 35/20+18/81 35/10+54/81 35/30+18/81 35/10+90/81 35/50+18/81 35/70+18/81