Add 25/45 and 50/30
1st number: 25/45, 2nd number: 1 20/30
25/45 + 50/30 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
50/30 = 50 × 3/30 × 3 = 150/90 - Add the two like fractions:
50/90 + 150/90 = 50 + 150/90 = 200/90 - 200/90 simplified gives 20/9
- So, 25/45 + 50/30 = 20/9
In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45+50/30 25/90+50/30 25/45+50/60 75/45+50/30 25/45+50/90