Add 8/20 and 30/10
1st number: 8/20, 2nd number: 3 0/10
8/20 + 30/10 is 17/5.
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,
8/20 = 8 × 1/20 × 1 = 8/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
30/10 = 30 × 2/10 × 2 = 60/20 - Add the two like fractions:
8/20 + 60/20 = 8 + 60/20 = 68/20 - 68/20 simplified gives 17/5
- So, 8/20 + 30/10 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+30/10 8/20+60/10 8/40+30/10 8/20+30/20 24/20+30/10 8/20+90/10 8/60+30/10 40/20+30/10 8/20+30/50 56/20+30/10 8/20+30/70