Add 28/27 and 20/5
1st number: 1 1/27, 2nd number: 4 0/5
28/27 + 20/5 is 136/27.
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,
28/27 = 28 × 5/27 × 5 = 140/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
20/5 = 20 × 27/5 × 27 = 540/135 - Add the two like fractions:
140/135 + 540/135 = 140 + 540/135 = 680/135 - 680/135 simplified gives 136/27
- So, 28/27 + 20/5 = 136/27
In mixed form: 51/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27+20/5 28/27+40/5 28/54+20/5 28/27+20/10 84/27+20/5 28/27+60/5 28/81+20/5 28/27+20/15 28/27+20/25 28/27+20/35