Add 6/20 and 84/18
1st number: 6/20, 2nd number: 4 12/18
6/20 + 84/18 is 149/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
6/20 = 6 × 9/20 × 9 = 54/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
84/18 = 84 × 10/18 × 10 = 840/180 - Add the two like fractions:
54/180 + 840/180 = 54 + 840/180 = 894/180 - 894/180 simplified gives 149/30
- So, 6/20 + 84/18 = 149/30
In mixed form: 429/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+84/18 6/40+84/18 6/20+84/36 18/20+84/18 6/60+84/18 6/20+84/54 30/20+84/18 6/20+84/90 42/20+84/18