Add 12/54 and 40/18
1st number: 12/54, 2nd number: 2 4/18
12/54 + 40/18 is 22/9.
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,
12/54 = 12 × 1/54 × 1 = 12/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
40/18 = 40 × 3/18 × 3 = 120/54 - Add the two like fractions:
12/54 + 120/54 = 12 + 120/54 = 132/54 - 132/54 simplified gives 22/9
- So, 12/54 + 40/18 = 22/9
In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/54+40/18 12/54+80/18 12/54+40/36 36/54+40/18 12/54+40/54 60/54+40/18 12/54+40/90 84/54+40/18