Add 5/7 and 14/18
5/7 + 14/18 is 94/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
5/7 = 5 × 18/7 × 18 = 90/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
14/18 = 14 × 7/18 × 7 = 98/126 - Add the two like fractions:
90/126 + 98/126 = 90 + 98/126 = 188/126 - 188/126 simplified gives 94/63
- So, 5/7 + 14/18 = 94/63
In mixed form: 131/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7+14/18 5/7+28/18 5/14+14/18 5/7+14/36 15/7+14/18 5/7+42/18 5/21+14/18 5/7+14/54 25/7+14/18 5/7+70/18 5/35+14/18 5/7+14/90 35/7+14/18 5/7+98/18 5/49+14/18