Add 6/18 and 72/7
1st number: 6/18, 2nd number: 10 2/7
6/18 + 72/7 is 223/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
6/18 = 6 × 7/18 × 7 = 42/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
72/7 = 72 × 18/7 × 18 = 1296/126 - Add the two like fractions:
42/126 + 1296/126 = 42 + 1296/126 = 1338/126 - 1338/126 simplified gives 223/21
- So, 6/18 + 72/7 = 223/21
In mixed form: 1013/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18+72/7 6/36+72/7 6/18+72/14 6/54+72/7 6/18+72/21 30/18+72/7 6/90+72/7 6/18+72/35 42/18+72/7 6/18+72/49