Add 2/12 and 9/70
2/12 + 9/70 is 31/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
2/12 = 2 × 35/12 × 35 = 70/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
9/70 = 9 × 6/70 × 6 = 54/420 - Add the two like fractions:
70/420 + 54/420 = 70 + 54/420 = 124/420 - 124/420 simplified gives 31/105
- So, 2/12 + 9/70 = 31/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+9/70 2/12+18/70 2/24+9/70 6/12+9/70 2/12+27/70 2/36+9/70 10/12+9/70 2/12+45/70 2/60+9/70 14/12+9/70 2/12+63/70 2/84+9/70