Add 84/30 and 3/90
1st number: 2 24/30, 2nd number: 3/90
84/30 + 3/90 is 17/6.
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,
84/30 = 84 × 3/30 × 3 = 252/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Add the two like fractions:
252/90 + 3/90 = 252 + 3/90 = 255/90 - 255/90 simplified gives 17/6
- So, 84/30 + 3/90 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+6/90 84/60+3/90 84/30+9/90 84/90+3/90 84/30+15/90 84/30+21/90