Add 30/20 and 30/10
1st number: 1 10/20, 2nd number: 3 0/10
30/20 + 30/10 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
30/10 = 30 × 2/10 × 2 = 60/20 - Add the two like fractions:
30/20 + 60/20 = 30 + 60/20 = 90/20 - 90/20 simplified gives 9/2
- So, 30/20 + 30/10 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+30/10 30/20+60/10 30/40+30/10 30/20+30/20 90/20+30/10 30/20+90/10 30/60+30/10 30/20+30/50 30/20+30/70