Add 40/20 and 84/3
1st number: 2 0/20, 2nd number: 28 0/3
40/20 + 84/3 is 30/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
84/3 = 84 × 20/3 × 20 = 1680/60 - Add the two like fractions:
120/60 + 1680/60 = 120 + 1680/60 = 1800/60 - 1800/60 simplified gives 30/1
- So, 40/20 + 84/3 = 30/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+84/3 40/20+84/6 40/60+84/3 40/20+84/9 40/20+84/15 40/20+84/21