Add 28/42 and 27/35
28/42 + 27/35 is 151/105.
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,
28/42 = 28 × 5/42 × 5 = 140/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
27/35 = 27 × 6/35 × 6 = 162/210 - Add the two like fractions:
140/210 + 162/210 = 140 + 162/210 = 302/210 - 302/210 simplified gives 151/105
- So, 28/42 + 27/35 = 151/105
In mixed form: 146/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+27/35 28/42+54/35 28/84+27/35 28/42+27/70 84/42+27/35 28/42+81/35