Add 2/12 and 3/45
2/12 + 3/45 is 7/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 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 45 × 4 = 180,
3/45 = 3 × 4/45 × 4 = 12/180 - Add the two like fractions:
30/180 + 12/180 = 30 + 12/180 = 42/180 - 42/180 simplified gives 7/30
- So, 2/12 + 3/45 = 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+3/45 2/12+6/45 2/24+3/45 2/12+3/90 6/12+3/45 2/12+9/45 2/36+3/45 10/12+3/45 2/12+15/45 2/60+3/45 14/12+3/45 2/12+21/45 2/84+3/45