Add 20/27 and 3/45
20/27 + 3/45 is 109/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
3/45 = 3 × 3/45 × 3 = 9/135 - Add the two like fractions:
100/135 + 9/135 = 100 + 9/135 = 109/135 - So, 20/27 + 3/45 = 109/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+3/45 20/27+6/45 20/54+3/45 20/27+3/90 60/27+3/45 20/27+9/45 20/81+3/45 20/27+15/45 20/27+21/45