Add 2/12 and 2/90
2/12 + 2/90 is 17/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
2/12 = 2 × 15/12 × 15 = 30/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
2/90 = 2 × 2/90 × 2 = 4/180 - Add the two like fractions:
30/180 + 4/180 = 30 + 4/180 = 34/180 - 34/180 simplified gives 17/90
- So, 2/12 + 2/90 = 17/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+2/90 2/12+4/90 2/24+2/90 6/12+2/90 2/12+6/90 2/36+2/90 10/12+2/90 2/12+10/90 2/60+2/90 14/12+2/90 2/12+14/90 2/84+2/90