Add 12/54 and 7/18
12/54 + 7/18 is 11/18.
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,
12/54 = 12 × 1/54 × 1 = 12/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
7/18 = 7 × 3/18 × 3 = 21/54 - Add the two like fractions:
12/54 + 21/54 = 12 + 21/54 = 33/54 - 33/54 simplified gives 11/18
- So, 12/54 + 7/18 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/54+7/18 12/54+14/18 12/54+7/36 36/54+7/18 12/54+21/18 12/54+7/54 60/54+7/18 12/54+35/18 12/54+7/90 84/54+7/18 12/54+49/18