Add 30/3 and 30/84
1st number: 10 0/3, 2nd number: 30/84
30/3 + 30/84 is 145/14.
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,
30/3 = 30 × 28/3 × 28 = 840/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84 - Add the two like fractions:
840/84 + 30/84 = 840 + 30/84 = 870/84 - 870/84 simplified gives 145/14
- So, 30/3 + 30/84 = 145/14
In mixed form: 105/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+30/84 30/3+60/84 30/6+30/84 90/3+30/84 30/3+90/84 30/9+30/84 30/15+30/84 30/21+30/84