Add 6/18 and 4/7
6/18 + 4/7 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 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 7 × 18 = 126,
4/7 = 4 × 18/7 × 18 = 72/126 - Add the two like fractions:
42/126 + 72/126 = 42 + 72/126 = 114/126 - 114/126 simplified gives 19/21
- So, 6/18 + 4/7 = 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18+4/7 6/18+8/7 6/36+4/7 6/18+4/14 6/18+12/7 6/54+4/7 6/18+4/21 30/18+4/7 6/18+20/7 6/90+4/7 6/18+4/35 42/18+4/7 6/18+28/7 6/18+4/49