Add 12/5 and 2/90
1st number: 2 2/5, 2nd number: 2/90
12/5 + 2/90 is 109/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
12/5 = 12 × 18/5 × 18 = 216/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Add the two like fractions:
216/90 + 2/90 = 216 + 2/90 = 218/90 - 218/90 simplified gives 109/45
- So, 12/5 + 2/90 = 109/45
In mixed form: 219/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5+2/90 12/5+4/90 12/10+2/90 36/5+2/90 12/5+6/90 12/15+2/90 60/5+2/90 12/5+10/90 12/25+2/90 84/5+2/90 12/5+14/90 12/35+2/90