Add 2/70 and 3/12
2/70 + 3/12 is 39/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
2/70 = 2 × 6/70 × 6 = 12/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
3/12 = 3 × 35/12 × 35 = 105/420 - Add the two like fractions:
12/420 + 105/420 = 12 + 105/420 = 117/420 - 117/420 simplified gives 39/140
- So, 2/70 + 3/12 = 39/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70+3/12 2/70+6/12 2/70+3/24 6/70+3/12 2/70+9/12 2/70+3/36 10/70+3/12 2/70+15/12 2/70+3/60 14/70+3/12 2/70+21/12 2/70+3/84