Add 9/20 and 96/81
1st number: 9/20, 2nd number: 1 15/81
9/20 + 96/81 is 883/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
9/20 = 9 × 81/20 × 81 = 729/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
96/81 = 96 × 20/81 × 20 = 1920/1620 - Add the two like fractions:
729/1620 + 1920/1620 = 729 + 1920/1620 = 2649/1620 - 2649/1620 simplified gives 883/540
- So, 9/20 + 96/81 = 883/540
In mixed form: 1343/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+96/81 9/40+96/81 27/20+96/81 9/60+96/81 45/20+96/81 63/20+96/81