Add 2/12 and 3/90
2/12 + 3/90 is 1/5.
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,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
30/180 + 6/180 = 30 + 6/180 = 36/180 - 36/180 simplified gives 1/5
- So, 2/12 + 3/90 = 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+3/90 2/12+6/90 2/24+3/90 6/12+3/90 2/12+9/90 2/36+3/90 10/12+3/90 2/12+15/90 2/60+3/90 14/12+3/90 2/12+21/90 2/84+3/90