Add 2/27 and 21/20
1st number: 2/27, 2nd number: 1 1/20
2/27 + 21/20 is 607/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
2/27 = 2 × 20/27 × 20 = 40/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
21/20 = 21 × 27/20 × 27 = 567/540 - Add the two like fractions:
40/540 + 567/540 = 40 + 567/540 = 607/540 - So, 2/27 + 21/20 = 607/540
In mixed form: 167/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/27+21/20 2/27+42/20 2/54+21/20 2/27+21/40 6/27+21/20 2/27+63/20 2/81+21/20 2/27+21/60 10/27+21/20 14/27+21/20