Add 45/50 and 15/45
45/50 + 15/45 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
45/50 = 45 × 9/50 × 9 = 405/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
15/45 = 15 × 10/45 × 10 = 150/450 - Add the two like fractions:
405/450 + 150/450 = 405 + 150/450 = 555/450 - 555/450 simplified gives 37/30
- So, 45/50 + 15/45 = 37/30
In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+15/45 45/50+30/45 45/50+15/90 45/50+75/45