Add 25/10 and 9/90
1st number: 2 5/10, 2nd number: 9/90
25/10 + 9/90 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
25/10 = 25 × 9/10 × 9 = 225/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
225/90 + 9/90 = 225 + 9/90 = 234/90 - 234/90 simplified gives 13/5
- So, 25/10 + 9/90 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10+9/90 25/10+18/90 25/20+9/90 75/10+9/90 25/10+27/90 25/30+9/90 25/10+45/90 25/50+9/90 25/10+63/90 25/70+9/90