Add 12/3 and 25/90
1st number: 4 0/3, 2nd number: 25/90
12/3 + 25/90 is 77/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
12/3 = 12 × 30/3 × 30 = 360/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Add the two like fractions:
360/90 + 25/90 = 360 + 25/90 = 385/90 - 385/90 simplified gives 77/18
- So, 12/3 + 25/90 = 77/18
In mixed form: 45/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+25/90 12/3+50/90 12/6+25/90 36/3+25/90 12/3+75/90 12/9+25/90 60/3+25/90 12/15+25/90 84/3+25/90 12/21+25/90