Add 9/45 and 25/90
9/45 + 25/90 is 43/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
9/45 = 9 × 2/45 × 2 = 18/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Add the two like fractions:
18/90 + 25/90 = 18 + 25/90 = 43/90 - So, 9/45 + 25/90 = 43/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+25/90 9/45+50/90 9/90+25/90 27/45+25/90 9/45+75/90 63/45+25/90