Add 40/27 and 45/90
1st number: 1 13/27, 2nd number: 45/90
40/27 + 45/90 is 107/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
40/27 = 40 × 10/27 × 10 = 400/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
45/90 = 45 × 3/90 × 3 = 135/270 - Add the two like fractions:
400/270 + 135/270 = 400 + 135/270 = 535/270 - 535/270 simplified gives 107/54
- So, 40/27 + 45/90 = 107/54
In mixed form: 153/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/27+45/90 40/54+45/90 40/81+45/90