Add 14/42 and 28/35
14/42 + 28/35 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
28/35 = 28 × 6/35 × 6 = 168/210 - Add the two like fractions:
70/210 + 168/210 = 70 + 168/210 = 238/210 - 238/210 simplified gives 17/15
- So, 14/42 + 28/35 = 17/15
In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42+28/35 14/42+56/35 14/84+28/35 14/42+28/70 14/42+84/35 70/42+28/35 98/42+28/35