Add 12/3 and 7/70
1st number: 4 0/3, 2nd number: 7/70
12/3 + 7/70 is 41/10.
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,
7/70 = 7 × 3/70 × 3 = 21/210 - Add the two like fractions:
840/210 + 21/210 = 840 + 21/210 = 861/210 - 861/210 simplified gives 41/10
- So, 12/3 + 7/70 = 41/10
In mixed form: 41/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+7/70 12/3+14/70 12/6+7/70 36/3+7/70 12/3+21/70 12/9+7/70 60/3+7/70 12/3+35/70 12/15+7/70 84/3+7/70 12/3+49/70 12/21+7/70