Add 5/42 and 12/28
5/42 + 12/28 is 23/42.
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,
5/42 = 5 × 2/42 × 2 = 10/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
12/28 = 12 × 3/28 × 3 = 36/84 - Add the two like fractions:
10/84 + 36/84 = 10 + 36/84 = 46/84 - 46/84 simplified gives 23/42
- So, 5/42 + 12/28 = 23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+12/28 5/42+24/28 5/84+12/28 5/42+12/56 15/42+12/28 5/42+36/28 5/42+12/84 25/42+12/28 5/42+60/28 35/42+12/28 5/42+84/28