Add 25/16 and 80/18
1st number: 1 9/16, 2nd number: 4 8/18
25/16 + 80/18 is 865/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
25/16 = 25 × 9/16 × 9 = 225/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
80/18 = 80 × 8/18 × 8 = 640/144 - Add the two like fractions:
225/144 + 640/144 = 225 + 640/144 = 865/144 - So, 25/16 + 80/18 = 865/144
In mixed form: 61/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/16+80/18 25/32+80/18 25/16+80/36 75/16+80/18 25/48+80/18 25/16+80/54 25/80+80/18 25/16+80/90