Add 12/45 and 10/18
12/45 + 10/18 is 37/45.
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,
12/45 = 12 × 2/45 × 2 = 24/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Add the two like fractions:
24/90 + 50/90 = 24 + 50/90 = 74/90 - 74/90 simplified gives 37/45
- So, 12/45 + 10/18 = 37/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+10/18 12/45+20/18 12/90+10/18 12/45+10/36 36/45+10/18 12/45+30/18 12/45+10/54 60/45+10/18 12/45+50/18 12/45+10/90 84/45+10/18 12/45+70/18