Add 18/42 and 28/25
1st number: 18/42, 2nd number: 1 3/25
18/42 + 28/25 is 271/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
18/42 = 18 × 25/42 × 25 = 450/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
28/25 = 28 × 42/25 × 42 = 1176/1050 - Add the two like fractions:
450/1050 + 1176/1050 = 450 + 1176/1050 = 1626/1050 - 1626/1050 simplified gives 271/175
- So, 18/42 + 28/25 = 271/175
In mixed form: 196/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+28/25 18/42+56/25 18/84+28/25 18/42+28/50 54/42+28/25 18/42+84/25 18/42+28/75 90/42+28/25