Add 20/27 and 21/10
1st number: 20/27, 2nd number: 2 1/10
20/27 + 21/10 is 767/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
21/10 = 21 × 27/10 × 27 = 567/270 - Add the two like fractions:
200/270 + 567/270 = 200 + 567/270 = 767/270 - So, 20/27 + 21/10 = 767/270
In mixed form: 2227/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+21/10 20/27+42/10 20/54+21/10 20/27+21/20 60/27+21/10 20/27+63/10 20/81+21/10 20/27+21/30 20/27+21/50 20/27+21/70