Add 42/18 and 9/25
1st number: 2 6/18, 2nd number: 9/25
42/18 + 9/25 is 202/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
42/18 = 42 × 25/18 × 25 = 1050/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
9/25 = 9 × 18/25 × 18 = 162/450 - Add the two like fractions:
1050/450 + 162/450 = 1050 + 162/450 = 1212/450 - 1212/450 simplified gives 202/75
- So, 42/18 + 9/25 = 202/75
In mixed form: 252/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+9/25 42/18+18/25 42/36+9/25 42/18+9/50 42/18+27/25 42/54+9/25 42/18+9/75 42/18+45/25 42/90+9/25 42/18+63/25