Add 35/70 and 12/3
1st number: 35/70, 2nd number: 4 0/3
35/70 + 12/3 is 9/2.
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,
35/70 = 35 × 3/70 × 3 = 105/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
12/3 = 12 × 70/3 × 70 = 840/210 - Add the two like fractions:
105/210 + 840/210 = 105 + 840/210 = 945/210 - 945/210 simplified gives 9/2
- So, 35/70 + 12/3 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 35/70+24/3 35/70+12/6 35/70+36/3 35/70+12/9 35/70+60/3 35/70+12/15 35/70+84/3 35/70+12/21