Add 25/2 and 9/90
1st number: 12 1/2, 2nd number: 9/90
25/2 + 9/90 is 63/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
25/2 = 25 × 45/2 × 45 = 1125/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
1125/90 + 9/90 = 1125 + 9/90 = 1134/90 - 1134/90 simplified gives 63/5
- So, 25/2 + 9/90 = 63/5
In mixed form: 123/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2+9/90 25/2+18/90 25/4+9/90 75/2+9/90 25/2+27/90 25/6+9/90 25/2+45/90 25/10+9/90 25/2+63/90 25/14+9/90