Add 12/30 and 84/3
1st number: 12/30, 2nd number: 28 0/3
12/30 + 84/3 is 142/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
12/30 = 12 × 1/30 × 1 = 12/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
84/3 = 84 × 10/3 × 10 = 840/30 - Add the two like fractions:
12/30 + 840/30 = 12 + 840/30 = 852/30 - 852/30 simplified gives 142/5
- So, 12/30 + 84/3 = 142/5
In mixed form: 282/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+84/3 12/60+84/3 12/30+84/6 36/30+84/3 12/90+84/3 12/30+84/9 60/30+84/3 12/30+84/15 84/30+84/3 12/30+84/21