Add 20/25 and 5/80
20/25 + 5/80 is 69/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
20/25 = 20 × 16/25 × 16 = 320/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
5/80 = 5 × 5/80 × 5 = 25/400 - Add the two like fractions:
320/400 + 25/400 = 320 + 25/400 = 345/400 - 345/400 simplified gives 69/80
- So, 20/25 + 5/80 = 69/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+5/80 20/25+10/80 20/50+5/80 60/25+5/80 20/25+15/80 20/75+5/80 20/25+25/80 20/25+35/80