Add 72/7 and 2/18
1st number: 10 2/7, 2nd number: 2/18
72/7 + 2/18 is 655/63.
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,
72/7 = 72 × 18/7 × 18 = 1296/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
2/18 = 2 × 7/18 × 7 = 14/126 - Add the two like fractions:
1296/126 + 14/126 = 1296 + 14/126 = 1310/126 - 1310/126 simplified gives 655/63
- So, 72/7 + 2/18 = 655/63
In mixed form: 1025/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7+4/18 72/14+2/18 72/7+2/36 72/7+6/18 72/21+2/18 72/7+2/54 72/7+10/18 72/35+2/18 72/7+2/90 72/7+14/18 72/49+2/18