Add 18/42 and 4/6
18/42 + 4/6 is 23/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
4/6 = 4 × 7/6 × 7 = 28/42 - Add the two like fractions:
18/42 + 28/42 = 18 + 28/42 = 46/42 - 46/42 simplified gives 23/21
- So, 18/42 + 4/6 = 23/21
In mixed form: 12/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+4/6 18/42+8/6 18/84+4/6 18/42+4/12 54/42+4/6 18/42+12/6 18/42+4/18 90/42+4/6 18/42+20/6 18/42+4/30 18/42+28/6 18/42+4/42