Add 14/81 and 21/10
1st number: 14/81, 2nd number: 2 1/10
14/81 + 21/10 is 1841/810.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
14/81 = 14 × 10/81 × 10 = 140/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
21/10 = 21 × 81/10 × 81 = 1701/810 - Add the two like fractions:
140/810 + 1701/810 = 140 + 1701/810 = 1841/810 - So, 14/81 + 21/10 = 1841/810
In mixed form: 2221/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81+21/10 14/81+42/10 14/81+21/20 42/81+21/10 14/81+63/10 14/81+21/30 70/81+21/10 14/81+21/50 98/81+21/10 14/81+21/70