Add 25/2 and 9/20
1st number: 12 1/2, 2nd number: 9/20
25/2 + 9/20 is 259/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
25/2 = 25 × 10/2 × 10 = 250/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
9/20 = 9 × 1/20 × 1 = 9/20 - Add the two like fractions:
250/20 + 9/20 = 250 + 9/20 = 259/20 - So, 25/2 + 9/20 = 259/20
In mixed form: 1219/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2+9/20 25/2+18/20 25/4+9/20 25/2+9/40 75/2+9/20 25/2+27/20 25/6+9/20 25/2+9/60 25/2+45/20 25/10+9/20 25/2+63/20 25/14+9/20