Add 18/3 and 90/80
1st number: 6 0/3, 2nd number: 1 10/80
18/3 + 90/80 is 57/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
18/3 = 18 × 80/3 × 80 = 1440/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
1440/240 + 270/240 = 1440 + 270/240 = 1710/240 - 1710/240 simplified gives 57/8
- So, 18/3 + 90/80 = 57/8
In mixed form: 71/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+90/80 18/6+90/80 54/3+90/80 18/9+90/80 90/3+90/80 18/15+90/80 18/21+90/80