Add 25/18 and 42/16
1st number: 1 7/18, 2nd number: 2 10/16
25/18 + 42/16 is 289/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
25/18 = 25 × 8/18 × 8 = 200/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Add the two like fractions:
200/144 + 378/144 = 200 + 378/144 = 578/144 - 578/144 simplified gives 289/72
- So, 25/18 + 42/16 = 289/72
In mixed form: 41/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+42/16 25/18+84/16 25/36+42/16 25/18+42/32 75/18+42/16 25/54+42/16 25/18+42/48 25/90+42/16 25/18+42/80