Add 4/5 and 30/20
1st number: 4/5, 2nd number: 1 10/20
4/5 + 30/20 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
4/5 = 4 × 4/5 × 4 = 16/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Add the two like fractions:
16/20 + 30/20 = 16 + 30/20 = 46/20 - 46/20 simplified gives 23/10
- So, 4/5 + 30/20 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5+30/20 4/5+60/20 4/10+30/20 4/5+30/40 12/5+30/20 4/5+90/20 4/15+30/20 4/5+30/60 20/5+30/20 4/25+30/20 28/5+30/20 4/35+30/20