Add 25/30 and 84/90
25/30 + 84/90 is 53/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
25/30 = 25 × 3/30 × 3 = 75/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Add the two like fractions:
75/90 + 84/90 = 75 + 84/90 = 159/90 - 159/90 simplified gives 53/30
- So, 25/30 + 84/90 = 53/30
In mixed form: 123/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+84/90 25/60+84/90 75/30+84/90 25/90+84/90