Add 45/27 and 4/18
1st number: 1 18/27, 2nd number: 4/18
45/27 + 4/18 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
45/27 = 45 × 2/27 × 2 = 90/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
4/18 = 4 × 3/18 × 3 = 12/54 - Add the two like fractions:
90/54 + 12/54 = 90 + 12/54 = 102/54 - 102/54 simplified gives 17/9
- So, 45/27 + 4/18 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+4/18 45/27+8/18 45/54+4/18 45/27+4/36 45/27+12/18 45/81+4/18 45/27+4/54 45/27+20/18 45/27+4/90 45/27+28/18