Add 45/27 and 9/20
1st number: 1 18/27, 2nd number: 9/20
45/27 + 9/20 is 127/60.
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,
45/27 = 45 × 20/27 × 20 = 900/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
9/20 = 9 × 27/20 × 27 = 243/540 - Add the two like fractions:
900/540 + 243/540 = 900 + 243/540 = 1143/540 - 1143/540 simplified gives 127/60
- So, 45/27 + 9/20 = 127/60
In mixed form: 27/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+9/20 45/27+18/20 45/54+9/20 45/27+9/40 45/27+27/20 45/81+9/20 45/27+9/60 45/27+45/20 45/27+63/20