Add 84/2 and 28/30
1st number: 42 0/2, 2nd number: 28/30
84/2 + 28/30 is 644/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
84/2 = 84 × 15/2 × 15 = 1260/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
28/30 = 28 × 1/30 × 1 = 28/30 - Add the two like fractions:
1260/30 + 28/30 = 1260 + 28/30 = 1288/30 - 1288/30 simplified gives 644/15
- So, 84/2 + 28/30 = 644/15
In mixed form: 4214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+56/30 84/4+28/30 84/2+28/60 84/2+84/30 84/6+28/30 84/2+28/90 84/10+28/30 84/14+28/30