Add 96/81 and 21/60
1st number: 1 15/81, 2nd number: 21/60
96/81 + 21/60 is 829/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 60 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
96/81 = 96 × 20/81 × 20 = 1920/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
21/60 = 21 × 27/60 × 27 = 567/1620 - Add the two like fractions:
1920/1620 + 567/1620 = 1920 + 567/1620 = 2487/1620 - 2487/1620 simplified gives 829/540
- So, 96/81 + 21/60 = 829/540
In mixed form: 1289/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/81+42/60 96/81+63/60