Add 3/42 and 6/36
3/42 + 6/36 is 5/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
3/42 = 3 × 6/42 × 6 = 18/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
6/36 = 6 × 7/36 × 7 = 42/252 - Add the two like fractions:
18/252 + 42/252 = 18 + 42/252 = 60/252 - 60/252 simplified gives 5/21
- So, 3/42 + 6/36 = 5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+6/36 3/42+12/36 3/84+6/36 3/42+6/72 9/42+6/36 3/42+18/36 15/42+6/36 3/42+30/36 21/42+6/36 3/42+42/36