Add 28/27 and 5/20
1st number: 1 1/27, 2nd number: 5/20
28/27 + 5/20 is 139/108.
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,
28/27 = 28 × 20/27 × 20 = 560/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
5/20 = 5 × 27/20 × 27 = 135/540 - Add the two like fractions:
560/540 + 135/540 = 560 + 135/540 = 695/540 - 695/540 simplified gives 139/108
- So, 28/27 + 5/20 = 139/108
In mixed form: 131/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27+5/20 28/27+10/20 28/54+5/20 28/27+5/40 84/27+5/20 28/27+15/20 28/81+5/20 28/27+5/60 28/27+25/20 28/27+35/20