Add 25/2 and 80/90
1st number: 12 1/2, 2nd number: 80/90
25/2 + 80/90 is 241/18.
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,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
1125/90 + 80/90 = 1125 + 80/90 = 1205/90 - 1205/90 simplified gives 241/18
- So, 25/2 + 80/90 = 241/18
In mixed form: 137/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2+80/90 25/4+80/90 75/2+80/90 25/6+80/90 25/10+80/90 25/14+80/90