Add 36/12 and 27/42
1st number: 3 0/12, 2nd number: 27/42
36/12 + 27/42 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
36/12 = 36 × 7/12 × 7 = 252/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
27/42 = 27 × 2/42 × 2 = 54/84 - Add the two like fractions:
252/84 + 54/84 = 252 + 54/84 = 306/84 - 306/84 simplified gives 51/14
- So, 36/12 + 27/42 = 51/14
In mixed form: 39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+27/42 36/12+54/42 36/24+27/42 36/12+27/84 36/12+81/42 36/60+27/42 36/84+27/42