Add 2/45 and 12/18
2/45 + 12/18 is 32/45.
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,
2/45 = 2 × 2/45 × 2 = 4/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Add the two like fractions:
4/90 + 60/90 = 4 + 60/90 = 64/90 - 64/90 simplified gives 32/45
- So, 2/45 + 12/18 = 32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+12/18 2/45+24/18 2/90+12/18 2/45+12/36 6/45+12/18 2/45+36/18 2/45+12/54 10/45+12/18 2/45+60/18 2/45+12/90 14/45+12/18 2/45+84/18