Add 15/7 and 2/18
1st number: 2 1/7, 2nd number: 2/18
15/7 + 2/18 is 142/63.
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,
15/7 = 15 × 18/7 × 18 = 270/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
2/18 = 2 × 7/18 × 7 = 14/126 - Add the two like fractions:
270/126 + 14/126 = 270 + 14/126 = 284/126 - 284/126 simplified gives 142/63
- So, 15/7 + 2/18 = 142/63
In mixed form: 216/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7+2/18 15/7+4/18 15/14+2/18 15/7+2/36 45/7+2/18 15/7+6/18 15/21+2/18 15/7+2/54 75/7+2/18 15/7+10/18 15/35+2/18 15/7+2/90 15/7+14/18 15/49+2/18