Add 27/42 and 3/35
27/42 + 3/35 is 51/70.
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,
27/42 = 27 × 5/42 × 5 = 135/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
3/35 = 3 × 6/35 × 6 = 18/210 - Add the two like fractions:
135/210 + 18/210 = 135 + 18/210 = 153/210 - 153/210 simplified gives 51/70
- So, 27/42 + 3/35 = 51/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+3/35 27/42+6/35 27/84+3/35 27/42+3/70 81/42+3/35 27/42+9/35 27/42+15/35 27/42+21/35