Add 80/27 and 21/4
1st number: 2 26/27, 2nd number: 5 1/4
80/27 + 21/4 is 887/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
80/27 = 80 × 4/27 × 4 = 320/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
21/4 = 21 × 27/4 × 27 = 567/108 - Add the two like fractions:
320/108 + 567/108 = 320 + 567/108 = 887/108 - So, 80/27 + 21/4 = 887/108
In mixed form: 823/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/27+42/4 80/54+21/4 80/27+21/8 80/27+63/4 80/81+21/4 80/27+21/12 80/27+21/20 80/27+21/28