Add 84/20 and 5/18
1st number: 4 4/20, 2nd number: 5/18
84/20 + 5/18 is 403/90.
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,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
5/18 = 5 × 10/18 × 10 = 50/180 - Add the two like fractions:
756/180 + 50/180 = 756 + 50/180 = 806/180 - 806/180 simplified gives 403/90
- So, 84/20 + 5/18 = 403/90
In mixed form: 443/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+10/18 84/40+5/18 84/20+5/36 84/20+15/18 84/60+5/18 84/20+5/54 84/20+25/18 84/20+5/90 84/20+35/18