Add 30/6 and 45/20
1st number: 5 0/6, 2nd number: 2 5/20
30/6 + 45/20 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
30/6 = 30 × 10/6 × 10 = 300/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
300/60 + 135/60 = 300 + 135/60 = 435/60 - 435/60 simplified gives 29/4
- So, 30/6 + 45/20 = 29/4
In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6+45/20 30/6+90/20 30/12+45/20 30/6+45/40 90/6+45/20 30/18+45/20 30/6+45/60 30/42+45/20