Add 28/30 and 84/60
1st number: 28/30, 2nd number: 1 24/60
28/30 + 84/60 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
28/30 = 28 × 2/30 × 2 = 56/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
84/60 = 84 × 1/60 × 1 = 84/60 - Add the two like fractions:
56/60 + 84/60 = 56 + 84/60 = 140/60 - 140/60 simplified gives 7/3
- So, 28/30 + 84/60 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+84/60 28/60+84/60 84/30+84/60 28/90+84/60