Add 28/12 and 27/42
1st number: 2 4/12, 2nd number: 27/42
28/12 + 27/42 is 125/42.
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,
28/12 = 28 × 7/12 × 7 = 196/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
27/42 = 27 × 2/42 × 2 = 54/84 - Add the two like fractions:
196/84 + 54/84 = 196 + 54/84 = 250/84 - 250/84 simplified gives 125/42
- So, 28/12 + 27/42 = 125/42
In mixed form: 241/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+27/42 28/12+54/42 28/24+27/42 28/12+27/84 84/12+27/42 28/12+81/42 28/36+27/42 28/60+27/42 28/84+27/42