Add 14/42 and 40/28
1st number: 14/42, 2nd number: 1 12/28
14/42 + 40/28 is 37/21.
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,
14/42 = 14 × 2/42 × 2 = 28/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
40/28 = 40 × 3/28 × 3 = 120/84 - Add the two like fractions:
28/84 + 120/84 = 28 + 120/84 = 148/84 - 148/84 simplified gives 37/21
- So, 14/42 + 40/28 = 37/21
In mixed form: 116/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42+40/28 14/42+80/28 14/84+40/28 14/42+40/56 14/42+40/84 70/42+40/28 98/42+40/28