Add 25/50 and 90/18
1st number: 25/50, 2nd number: 5 0/18
25/50 + 90/18 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Add the two like fractions:
225/450 + 2250/450 = 225 + 2250/450 = 2475/450 - 2475/450 simplified gives 11/2
- So, 25/50 + 90/18 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 25/50+90/36 75/50+90/18 25/50+90/54