Add 12/70 and 9/3
1st number: 12/70, 2nd number: 3 0/3
12/70 + 9/3 is 111/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
9/3 = 9 × 70/3 × 70 = 630/210 - Add the two like fractions:
36/210 + 630/210 = 36 + 630/210 = 666/210 - 666/210 simplified gives 111/35
- So, 12/70 + 9/3 = 111/35
In mixed form: 36/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+9/3 12/70+18/3 12/70+9/6 36/70+9/3 12/70+27/3 60/70+9/3 12/70+45/3 12/70+9/15 84/70+9/3 12/70+63/3 12/70+9/21