Add 20/8 and 84/80
1st number: 2 4/8, 2nd number: 1 4/80
20/8 + 84/80 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
20/8 = 20 × 10/8 × 10 = 200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Add the two like fractions:
200/80 + 84/80 = 200 + 84/80 = 284/80 - 284/80 simplified gives 71/20
- So, 20/8 + 84/80 = 71/20
In mixed form: 311/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+84/80 20/16+84/80 60/8+84/80 20/24+84/80 20/40+84/80 20/56+84/80