Add 18/7 and 8/18
1st number: 2 4/7, 2nd number: 8/18
18/7 + 8/18 is 190/63.
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,
18/7 = 18 × 18/7 × 18 = 324/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126 - Add the two like fractions:
324/126 + 56/126 = 324 + 56/126 = 380/126 - 380/126 simplified gives 190/63
- So, 18/7 + 8/18 = 190/63
In mixed form: 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+8/18 18/7+16/18 18/14+8/18 18/7+8/36 54/7+8/18 18/7+24/18 18/21+8/18 18/7+8/54 90/7+8/18 18/7+40/18 18/35+8/18 18/7+8/90 18/7+56/18 18/49+8/18