Add 27/20 and 80/54
1st number: 1 7/20, 2nd number: 1 26/54
27/20 + 80/54 is 1529/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
27/20 = 27 × 27/20 × 27 = 729/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
80/54 = 80 × 10/54 × 10 = 800/540 - Add the two like fractions:
729/540 + 800/540 = 729 + 800/540 = 1529/540 - So, 27/20 + 80/54 = 1529/540
In mixed form: 2449/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+80/54 27/40+80/54 81/20+80/54 27/60+80/54