Add 12/3 and 30/84
1st number: 4 0/3, 2nd number: 30/84
12/3 + 30/84 is 61/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
12/3 = 12 × 28/3 × 28 = 336/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84 - Add the two like fractions:
336/84 + 30/84 = 336 + 30/84 = 366/84 - 366/84 simplified gives 61/14
- So, 12/3 + 30/84 = 61/14
In mixed form: 45/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+30/84 12/3+60/84 12/6+30/84 36/3+30/84 12/3+90/84 12/9+30/84 60/3+30/84 12/15+30/84 84/3+30/84 12/21+30/84