Add 84/25 and 90/18
1st number: 3 9/25, 2nd number: 5 0/18
84/25 + 90/18 is 209/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
84/25 = 84 × 18/25 × 18 = 1512/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Add the two like fractions:
1512/450 + 2250/450 = 1512 + 2250/450 = 3762/450 - 3762/450 simplified gives 209/25
- So, 84/25 + 90/18 = 209/25
In mixed form: 89/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50+90/18 84/25+90/36 84/75+90/18 84/25+90/54