Add 28/27 and 4/20
1st number: 1 1/27, 2nd number: 4/20
28/27 + 4/20 is 167/135.
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,
4/20 = 4 × 27/20 × 27 = 108/540 - Add the two like fractions:
560/540 + 108/540 = 560 + 108/540 = 668/540 - 668/540 simplified gives 167/135
- So, 28/27 + 4/20 = 167/135
In mixed form: 132/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27+4/20 28/27+8/20 28/54+4/20 28/27+4/40 84/27+4/20 28/27+12/20 28/81+4/20 28/27+4/60 28/27+28/20