Add 84/8 and 6/20
1st number: 10 4/8, 2nd number: 6/20
84/8 + 6/20 is 54/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
84/8 = 84 × 5/8 × 5 = 420/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
6/20 = 6 × 2/20 × 2 = 12/40 - Add the two like fractions:
420/40 + 12/40 = 420 + 12/40 = 432/40 - 432/40 simplified gives 54/5
- So, 84/8 + 6/20 = 54/5
In mixed form: 104/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+12/20 84/16+6/20 84/8+6/40 84/8+18/20 84/24+6/20 84/8+6/60 84/8+30/20 84/40+6/20 84/8+42/20 84/56+6/20