Add 25/75 and 90/18
1st number: 25/75, 2nd number: 5 0/18
25/75 + 90/18 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
25/75 = 25 × 6/75 × 6 = 150/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Add the two like fractions:
150/450 + 2250/450 = 150 + 2250/450 = 2400/450 - 2400/450 simplified gives 16/3
- So, 25/75 + 90/18 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75+90/18 25/75+90/36 25/75+90/54