Add 21/3 and 60/27
1st number: 7 0/3, 2nd number: 2 6/27
21/3 + 60/27 is 83/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
21/3 = 21 × 9/3 × 9 = 189/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
60/27 = 60 × 1/27 × 1 = 60/27 - Add the two like fractions:
189/27 + 60/27 = 189 + 60/27 = 249/27 - 249/27 simplified gives 83/9
- So, 21/3 + 60/27 = 83/9
In mixed form: 92/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3+60/27 21/6+60/27 21/3+60/54 63/3+60/27 21/9+60/27 21/3+60/81 21/15+60/27