Add 4/5 and 10/20
4/5 + 10/20 is 13/10.
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,
10/20 = 10 × 1/20 × 1 = 10/20 - Add the two like fractions:
16/20 + 10/20 = 16 + 10/20 = 26/20 - 26/20 simplified gives 13/10
- So, 4/5 + 10/20 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5+10/20 4/10+10/20 4/5+10/40 12/5+10/20 4/5+30/20 4/15+10/20 4/5+10/60 20/5+10/20 4/5+50/20 4/25+10/20 28/5+10/20 4/5+70/20 4/35+10/20