Add 25/15 and 90/25
1st number: 1 10/15, 2nd number: 3 15/25
25/15 + 90/25 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
25/15 = 25 × 5/15 × 5 = 125/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
90/25 = 90 × 3/25 × 3 = 270/75 - Add the two like fractions:
125/75 + 270/75 = 125 + 270/75 = 395/75 - 395/75 simplified gives 79/15
- So, 25/15 + 90/25 = 79/15
In mixed form: 54/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+90/25 25/30+90/25 25/15+90/50 75/15+90/25 25/45+90/25 25/15+90/75 25/75+90/25