Add 4/20 and 84/9
1st number: 4/20, 2nd number: 9 3/9
4/20 + 84/9 is 143/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
84/9 = 84 × 20/9 × 20 = 1680/180 - Add the two like fractions:
36/180 + 1680/180 = 36 + 1680/180 = 1716/180 - 1716/180 simplified gives 143/15
- So, 4/20 + 84/9 = 143/15
In mixed form: 98/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20+84/9 4/40+84/9 4/20+84/18 12/20+84/9 4/60+84/9 4/20+84/27 4/20+84/45 28/20+84/9 4/20+84/63