Add 18/45 and 15/50
18/45 + 15/50 is 7/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
18/45 = 18 × 10/45 × 10 = 180/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
15/50 = 15 × 9/50 × 9 = 135/450 - Add the two like fractions:
180/450 + 135/450 = 180 + 135/450 = 315/450 - 315/450 simplified gives 7/10
- So, 18/45 + 15/50 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+15/50 18/45+30/50 18/90+15/50 54/45+15/50 18/45+45/50 90/45+15/50 18/45+75/50