Add 45/7 and 6/18
1st number: 6 3/7, 2nd number: 6/18
45/7 + 6/18 is 142/21.
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,
45/7 = 45 × 18/7 × 18 = 810/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
6/18 = 6 × 7/18 × 7 = 42/126 - Add the two like fractions:
810/126 + 42/126 = 810 + 42/126 = 852/126 - 852/126 simplified gives 142/21
- So, 45/7 + 6/18 = 142/21
In mixed form: 616/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+6/18 45/7+12/18 45/14+6/18 45/7+6/36 45/21+6/18 45/7+6/54 45/7+30/18 45/35+6/18 45/7+6/90 45/7+42/18 45/49+6/18