Add 4/6 and 18/45
4/6 + 18/45 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
4/6 = 4 × 15/6 × 15 = 60/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
18/45 = 18 × 2/45 × 2 = 36/90 - Add the two like fractions:
60/90 + 36/90 = 60 + 36/90 = 96/90 - 96/90 simplified gives 16/15
- So, 4/6 + 18/45 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6+18/45 4/6+36/45 4/12+18/45 4/6+18/90 12/6+18/45 4/6+54/45 4/18+18/45 20/6+18/45 4/6+90/45 4/30+18/45 28/6+18/45 4/42+18/45