Add 3/18 and 80/56
1st number: 3/18, 2nd number: 1 24/56
3/18 + 80/56 is 67/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
3/18 = 3 × 28/18 × 28 = 84/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
80/56 = 80 × 9/56 × 9 = 720/504 - Add the two like fractions:
84/504 + 720/504 = 84 + 720/504 = 804/504 - 804/504 simplified gives 67/42
- So, 3/18 + 80/56 = 67/42
In mixed form: 125/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+80/56 3/36+80/56 9/18+80/56 3/54+80/56 15/18+80/56 3/90+80/56 21/18+80/56