Add 2/42 and 15/28
2/42 + 15/28 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
2/42 = 2 × 2/42 × 2 = 4/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
15/28 = 15 × 3/28 × 3 = 45/84 - Add the two like fractions:
4/84 + 45/84 = 4 + 45/84 = 49/84 - 49/84 simplified gives 7/12
- So, 2/42 + 15/28 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+15/28 2/42+30/28 2/84+15/28 2/42+15/56 6/42+15/28 2/42+45/28 2/42+15/84 10/42+15/28 2/42+75/28 14/42+15/28