Add 90/18 and 10/25
1st number: 5 0/18, 2nd number: 10/25
90/18 + 10/25 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
10/25 = 10 × 18/25 × 18 = 180/450 - Add the two like fractions:
2250/450 + 180/450 = 2250 + 180/450 = 2430/450 - 2430/450 simplified gives 27/5
- So, 90/18 + 10/25 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+20/25 90/36+10/25 90/18+10/50 90/18+30/25 90/54+10/25 90/18+10/75 90/18+50/25 90/18+70/25