Add 1/84 and 28/5
1st number: 1/84, 2nd number: 5 3/5
1/84 + 28/5 is 2357/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
28/5 = 28 × 84/5 × 84 = 2352/420 - Add the two like fractions:
5/420 + 2352/420 = 5 + 2352/420 = 2357/420 - So, 1/84 + 28/5 = 2357/420
In mixed form: 5257/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+28/5 1/84+56/5 1/84+28/10 3/84+28/5 1/84+84/5 1/84+28/15 5/84+28/5 1/84+28/25 7/84+28/5 1/84+28/35