Add 6/18 and 2/42
6/18 + 2/42 is 8/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
6/18 = 6 × 7/18 × 7 = 42/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
2/42 = 2 × 3/42 × 3 = 6/126 - Add the two like fractions:
42/126 + 6/126 = 42 + 6/126 = 48/126 - 48/126 simplified gives 8/21
- So, 6/18 + 2/42 = 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18+2/42 6/18+4/42 6/36+2/42 6/18+2/84 6/18+6/42 6/54+2/42 30/18+2/42 6/18+10/42 6/90+2/42 42/18+2/42 6/18+14/42