Add 12/3 and 10/70
1st number: 4 0/3, 2nd number: 10/70
12/3 + 10/70 is 29/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
12/3 = 12 × 70/3 × 70 = 840/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
10/70 = 10 × 3/70 × 3 = 30/210 - Add the two like fractions:
840/210 + 30/210 = 840 + 30/210 = 870/210 - 870/210 simplified gives 29/7
- So, 12/3 + 10/70 = 29/7
In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+10/70 12/3+20/70 12/6+10/70 36/3+10/70 12/3+30/70 12/9+10/70 60/3+10/70 12/3+50/70 12/15+10/70 84/3+10/70 12/21+10/70