Add 30/56 and 80/18
1st number: 30/56, 2nd number: 4 8/18
30/56 + 80/18 is 1255/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
30/56 = 30 × 9/56 × 9 = 270/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
80/18 = 80 × 28/18 × 28 = 2240/504 - Add the two like fractions:
270/504 + 2240/504 = 270 + 2240/504 = 2510/504 - 2510/504 simplified gives 1255/252
- So, 30/56 + 80/18 = 1255/252
In mixed form: 4247/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56+80/18 30/56+80/36 90/56+80/18 30/56+80/54 30/56+80/90