Add 18/20 and 27/25
1st number: 18/20, 2nd number: 1 2/25
18/20 + 27/25 is 99/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
18/20 = 18 × 5/20 × 5 = 90/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
27/25 = 27 × 4/25 × 4 = 108/100 - Add the two like fractions:
90/100 + 108/100 = 90 + 108/100 = 198/100 - 198/100 simplified gives 99/50
- So, 18/20 + 27/25 = 99/50
In mixed form: 149/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+27/25 18/20+54/25 18/40+27/25 18/20+27/50 54/20+27/25 18/20+81/25 18/60+27/25 18/20+27/75 90/20+27/25