Add 3/10 and 84/5
1st number: 3/10, 2nd number: 16 4/5
3/10 + 84/5 is 171/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
3/10 = 3 × 1/10 × 1 = 3/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
84/5 = 84 × 2/5 × 2 = 168/10 - Add the two like fractions:
3/10 + 168/10 = 3 + 168/10 = 171/10 - So, 3/10 + 84/5 = 171/10
In mixed form: 171/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+84/5 3/20+84/5 3/10+84/10 9/10+84/5 3/30+84/5 3/10+84/15 15/10+84/5 3/50+84/5 3/10+84/25 21/10+84/5 3/70+84/5 3/10+84/35