Add 12/27 and 20/5
1st number: 12/27, 2nd number: 4 0/5
12/27 + 20/5 is 40/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
12/27 = 12 × 5/27 × 5 = 60/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
20/5 = 20 × 27/5 × 27 = 540/135 - Add the two like fractions:
60/135 + 540/135 = 60 + 540/135 = 600/135 - 600/135 simplified gives 40/9
- So, 12/27 + 20/5 = 40/9
In mixed form: 44/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+20/5 12/27+40/5 12/54+20/5 12/27+20/10 36/27+20/5 12/27+60/5 12/81+20/5 12/27+20/15 60/27+20/5 12/27+20/25 84/27+20/5 12/27+20/35