Add 80/25 and 4/20
1st number: 3 5/25, 2nd number: 4/20
80/25 + 4/20 is 17/5.
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,
80/25 = 80 × 4/25 × 4 = 320/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
4/20 = 4 × 5/20 × 5 = 20/100 - Add the two like fractions:
320/100 + 20/100 = 320 + 20/100 = 340/100 - 340/100 simplified gives 17/5
- So, 80/25 + 4/20 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25+8/20 80/50+4/20 80/25+4/40 80/25+12/20 80/75+4/20 80/25+4/60 80/25+28/20