Add 84/60 and 3/90
1st number: 1 24/60, 2nd number: 3/90
84/60 + 3/90 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
84/60 = 84 × 3/60 × 3 = 252/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
252/180 + 6/180 = 252 + 6/180 = 258/180 - 258/180 simplified gives 43/30
- So, 84/60 + 3/90 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+6/90 84/60+9/90 84/60+15/90 84/60+21/90