Add 12/90 and 35/9
1st number: 12/90, 2nd number: 3 8/9
12/90 + 35/9 is 181/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
35/9 = 35 × 10/9 × 10 = 350/90 - Add the two like fractions:
12/90 + 350/90 = 12 + 350/90 = 362/90 - 362/90 simplified gives 181/45
- So, 12/90 + 35/9 = 181/45
In mixed form: 41/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90+35/9 12/90+70/9 12/90+35/18 36/90+35/9 12/90+35/27 60/90+35/9 12/90+35/45 84/90+35/9 12/90+35/63