Add 84/30 and 6/8
1st number: 2 24/30, 2nd number: 6/8
84/30 + 6/8 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
84/30 = 84 × 4/30 × 4 = 336/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
6/8 = 6 × 15/8 × 15 = 90/120 - Add the two like fractions:
336/120 + 90/120 = 336 + 90/120 = 426/120 - 426/120 simplified gives 71/20
- So, 84/30 + 6/8 = 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: 84/30+12/8 84/60+6/8 84/30+6/16 84/30+18/8 84/90+6/8 84/30+6/24 84/30+30/8 84/30+6/40 84/30+42/8 84/30+6/56