Add 84/20 and 2/9
1st number: 4 4/20, 2nd number: 2/9
84/20 + 2/9 is 199/45.
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,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
2/9 = 2 × 20/9 × 20 = 40/180 - Add the two like fractions:
756/180 + 40/180 = 756 + 40/180 = 796/180 - 796/180 simplified gives 199/45
- So, 84/20 + 2/9 = 199/45
In mixed form: 419/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+4/9 84/40+2/9 84/20+2/18 84/20+6/9 84/60+2/9 84/20+2/27 84/20+10/9 84/20+2/45 84/20+14/9 84/20+2/63