Add 12/70 and 81/6
1st number: 12/70, 2nd number: 13 3/6
12/70 + 81/6 is 957/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 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 6 × 35 = 210,
81/6 = 81 × 35/6 × 35 = 2835/210 - Add the two like fractions:
36/210 + 2835/210 = 36 + 2835/210 = 2871/210 - 2871/210 simplified gives 957/70
- So, 12/70 + 81/6 = 957/70
In mixed form: 1347/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+81/6 12/70+81/12 36/70+81/6 12/70+81/18 60/70+81/6 12/70+81/30 84/70+81/6 12/70+81/42