Add 25/18 and 50/45
1st number: 1 7/18, 2nd number: 1 5/45
25/18 + 50/45 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
25/18 = 25 × 5/18 × 5 = 125/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Add the two like fractions:
125/90 + 100/90 = 125 + 100/90 = 225/90 - 225/90 simplified gives 5/2
- So, 25/18 + 50/45 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+50/45 25/36+50/45 25/18+50/90 75/18+50/45 25/54+50/45 25/90+50/45