Add 25/10 and 28/90
1st number: 2 5/10, 2nd number: 28/90
25/10 + 28/90 is 253/90.
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,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
225/90 + 28/90 = 225 + 28/90 = 253/90 - So, 25/10 + 28/90 = 253/90
In mixed form: 273/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10+28/90 25/10+56/90 25/20+28/90 75/10+28/90 25/10+84/90 25/30+28/90 25/50+28/90 25/70+28/90