Add 10/80 and 5/20
10/80 + 5/20 is 3/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
5/20 = 5 × 4/20 × 4 = 20/80 - Add the two like fractions:
10/80 + 20/80 = 10 + 20/80 = 30/80 - 30/80 simplified gives 3/8
- So, 10/80 + 5/20 = 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+5/20 10/80+10/20 10/80+5/40 30/80+5/20 10/80+15/20 10/80+5/60 50/80+5/20 10/80+25/20 70/80+5/20 10/80+35/20