Add 40/18 and 20/27
1st number: 2 4/18, 2nd number: 20/27
40/18 + 20/27 is 80/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
40/18 = 40 × 3/18 × 3 = 120/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Add the two like fractions:
120/54 + 40/54 = 120 + 40/54 = 160/54 - 160/54 simplified gives 80/27
- So, 40/18 + 20/27 = 80/27
In mixed form: 226/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+20/27 40/18+40/27 40/36+20/27 40/18+20/54 40/18+60/27 40/54+20/27 40/18+20/81 40/90+20/27