Add 3/45 and 16/18
3/45 + 16/18 is 43/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
16/18 = 16 × 5/18 × 5 = 80/90 - Add the two like fractions:
6/90 + 80/90 = 6 + 80/90 = 86/90 - 86/90 simplified gives 43/45
- So, 3/45 + 16/18 = 43/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+16/18 3/45+32/18 3/90+16/18 3/45+16/36 9/45+16/18 3/45+48/18 3/45+16/54 15/45+16/18 3/45+80/18 3/45+16/90 21/45+16/18