Add 20/25 and 1/20
20/25 + 1/20 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
20/25 = 20 × 4/25 × 4 = 80/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
1/20 = 1 × 5/20 × 5 = 5/100 - Add the two like fractions:
80/100 + 5/100 = 80 + 5/100 = 85/100 - 85/100 simplified gives 17/20
- So, 20/25 + 1/20 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+1/20 20/25+2/20 20/50+1/20 20/25+1/40 60/25+1/20 20/25+3/20 20/75+1/20 20/25+1/60 20/25+5/20 20/25+7/20