Add 28/27 and 4/40
1st number: 1 1/27, 2nd number: 4/40
28/27 + 4/40 is 307/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
28/27 = 28 × 40/27 × 40 = 1120/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
4/40 = 4 × 27/40 × 27 = 108/1080 - Add the two like fractions:
1120/1080 + 108/1080 = 1120 + 108/1080 = 1228/1080 - 1228/1080 simplified gives 307/270
- So, 28/27 + 4/40 = 307/270
In mixed form: 137/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27+4/40 28/27+8/40 28/54+4/40 28/27+4/80 84/27+4/40 28/27+12/40 28/81+4/40 28/27+20/40 28/27+28/40