Add 2/12 and 12/45
2/12 + 12/45 is 13/30.
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,
12/45 = 12 × 4/45 × 4 = 48/180 - Add the two like fractions:
30/180 + 48/180 = 30 + 48/180 = 78/180 - 78/180 simplified gives 13/30
- So, 2/12 + 12/45 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+12/45 2/12+24/45 2/24+12/45 2/12+12/90 6/12+12/45 2/12+36/45 2/36+12/45 10/12+12/45 2/12+60/45 2/60+12/45 14/12+12/45 2/12+84/45 2/84+12/45