Add 7/28 and 84/5
1st number: 7/28, 2nd number: 16 4/5
7/28 + 84/5 is 341/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
7/28 = 7 × 5/28 × 5 = 35/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
84/5 = 84 × 28/5 × 28 = 2352/140 - Add the two like fractions:
35/140 + 2352/140 = 35 + 2352/140 = 2387/140 - 2387/140 simplified gives 341/20
- So, 7/28 + 84/5 = 341/20
In mixed form: 171/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+84/5 7/56+84/5 7/28+84/10 21/28+84/5 7/84+84/5 7/28+84/15 35/28+84/5 7/28+84/25 49/28+84/5 7/28+84/35