Add 45/90 and 18/6
1st number: 45/90, 2nd number: 3 0/6
45/90 + 18/6 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
45/90 = 45 × 1/90 × 1 = 45/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
18/6 = 18 × 15/6 × 15 = 270/90 - Add the two like fractions:
45/90 + 270/90 = 45 + 270/90 = 315/90 - 315/90 simplified gives 7/2
- So, 45/90 + 18/6 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90+36/6 45/90+18/12 45/90+54/6 45/90+90/6 45/90+18/30 45/90+18/42