Add 18/12 and 36/4
1st number: 1 6/12, 2nd number: 9 0/4
18/12 + 36/4 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
18/12 = 18 × 1/12 × 1 = 18/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
36/4 = 36 × 3/4 × 3 = 108/12 - Add the two like fractions:
18/12 + 108/12 = 18 + 108/12 = 126/12 - 126/12 simplified gives 21/2
- So, 18/12 + 36/4 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+36/4 18/12+72/4 18/24+36/4 18/12+36/8 54/12+36/4 18/36+36/4 18/12+36/12 90/12+36/4 18/60+36/4 18/12+36/20 18/84+36/4 18/12+36/28