Add 7/42 and 36/28
1st number: 7/42, 2nd number: 1 8/28
7/42 + 36/28 is 61/42.
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,
7/42 = 7 × 2/42 × 2 = 14/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
36/28 = 36 × 3/28 × 3 = 108/84 - Add the two like fractions:
14/84 + 108/84 = 14 + 108/84 = 122/84 - 122/84 simplified gives 61/42
- So, 7/42 + 36/28 = 61/42
In mixed form: 119/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+36/28 7/42+72/28 7/84+36/28 7/42+36/56 21/42+36/28 7/42+36/84 35/42+36/28 49/42+36/28