Add 18/45 and 3/5
18/45 + 3/5 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
3/5 = 3 × 9/5 × 9 = 27/45 - Add the two like fractions:
18/45 + 27/45 = 18 + 27/45 = 45/45 - 45/45 simplified gives 1/1
- So, 18/45 + 3/5 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+3/5 18/45+6/5 18/90+3/5 18/45+3/10 54/45+3/5 18/45+9/5 18/45+3/15 90/45+3/5 18/45+15/5 18/45+3/25 18/45+21/5 18/45+3/35