Add 12/5 and 4/90
1st number: 2 2/5, 2nd number: 4/90
12/5 + 4/90 is 22/9.
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,
4/90 = 4 × 1/90 × 1 = 4/90 - Add the two like fractions:
216/90 + 4/90 = 216 + 4/90 = 220/90 - 220/90 simplified gives 22/9
- So, 12/5 + 4/90 = 22/9
In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5+4/90 12/5+8/90 12/10+4/90 36/5+4/90 12/5+12/90 12/15+4/90 60/5+4/90 12/5+20/90 12/25+4/90 84/5+4/90 12/5+28/90 12/35+4/90