Add 40/7 and 3/18
1st number: 5 5/7, 2nd number: 3/18
40/7 + 3/18 is 247/42.
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,
40/7 = 40 × 18/7 × 18 = 720/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Add the two like fractions:
720/126 + 21/126 = 720 + 21/126 = 741/126 - 741/126 simplified gives 247/42
- So, 40/7 + 3/18 = 247/42
In mixed form: 537/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+3/18 40/7+6/18 40/14+3/18 40/7+3/36 40/7+9/18 40/21+3/18 40/7+3/54 40/7+15/18 40/35+3/18 40/7+3/90 40/7+21/18 40/49+3/18