Add 1/20 and 84/30
1st number: 1/20, 2nd number: 2 24/30
1/20 + 84/30 is 57/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
84/30 = 84 × 2/30 × 2 = 168/60 - Add the two like fractions:
3/60 + 168/60 = 3 + 168/60 = 171/60 - 171/60 simplified gives 57/20
- So, 1/20 + 84/30 = 57/20
In mixed form: 217/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+84/30 1/40+84/30 1/20+84/60 3/20+84/30 1/60+84/30 1/20+84/90 5/20+84/30 7/20+84/30