Add 42/75 and 18/9
1st number: 42/75, 2nd number: 2 0/9
42/75 + 18/9 is 64/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
42/75 = 42 × 3/75 × 3 = 126/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
18/9 = 18 × 25/9 × 25 = 450/225 - Add the two like fractions:
126/225 + 450/225 = 126 + 450/225 = 576/225 - 576/225 simplified gives 64/25
- So, 42/75 + 18/9 = 64/25
In mixed form: 214/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+18/9 42/75+36/9 42/75+54/9 42/75+18/27 42/75+90/9 42/75+18/45 42/75+18/63