Add 45/54 and 4/18
45/54 + 4/18 is 19/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
4/18 = 4 × 3/18 × 3 = 12/54 - Add the two like fractions:
45/54 + 12/54 = 45 + 12/54 = 57/54 - 57/54 simplified gives 19/18
- So, 45/54 + 4/18 = 19/18
In mixed form: 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+4/18 45/54+8/18 45/54+4/36 45/54+12/18 45/54+4/54 45/54+20/18 45/54+4/90 45/54+28/18