Add 28/12 and 3/42
1st number: 2 4/12, 2nd number: 3/42
28/12 + 3/42 is 101/42.
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,
3/42 = 3 × 2/42 × 2 = 6/84 - Add the two like fractions:
196/84 + 6/84 = 196 + 6/84 = 202/84 - 202/84 simplified gives 101/42
- So, 28/12 + 3/42 = 101/42
In mixed form: 217/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+3/42 28/12+6/42 28/24+3/42 28/12+3/84 84/12+3/42 28/12+9/42 28/36+3/42 28/12+15/42 28/60+3/42 28/12+21/42 28/84+3/42