Add 18/45 and 16/15
1st number: 18/45, 2nd number: 1 1/15
18/45 + 16/15 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 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 15 × 3 = 45,
16/15 = 16 × 3/15 × 3 = 48/45 - Add the two like fractions:
18/45 + 48/45 = 18 + 48/45 = 66/45 - 66/45 simplified gives 22/15
- So, 18/45 + 16/15 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+16/15 18/45+32/15 18/90+16/15 18/45+16/30 54/45+16/15 18/45+48/15 18/45+16/45 90/45+16/15 18/45+80/15 18/45+16/75