Add 75/18 and 27/12
1st number: 4 3/18, 2nd number: 2 3/12
75/18 + 27/12 is 77/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
75/18 = 75 × 2/18 × 2 = 150/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
27/12 = 27 × 3/12 × 3 = 81/36 - Add the two like fractions:
150/36 + 81/36 = 150 + 81/36 = 231/36 - 231/36 simplified gives 77/12
- So, 75/18 + 27/12 = 77/12
In mixed form: 65/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/18+54/12 75/36+27/12 75/18+27/24 75/18+81/12 75/54+27/12 75/18+27/36 75/90+27/12 75/18+27/60 75/18+27/84