Add 5/20 and 7/80
5/20 + 7/80 is 27/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
5/20 = 5 × 4/20 × 4 = 20/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Add the two like fractions:
20/80 + 7/80 = 20 + 7/80 = 27/80 - So, 5/20 + 7/80 = 27/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+7/80 5/20+14/80 5/40+7/80 15/20+7/80 5/20+21/80 5/60+7/80 25/20+7/80 5/20+35/80 35/20+7/80 5/20+49/80