Add 84/25 and 25/90
1st number: 3 9/25, 2nd number: 25/90
84/25 + 25/90 is 1637/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 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 90 × 5 = 450,
25/90 = 25 × 5/90 × 5 = 125/450 - Add the two like fractions:
1512/450 + 125/450 = 1512 + 125/450 = 1637/450 - So, 84/25 + 25/90 = 1637/450
In mixed form: 3287/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+50/90 84/50+25/90 84/25+75/90 84/75+25/90