Add 12/70 and 18/3
1st number: 12/70, 2nd number: 6 0/3
12/70 + 18/3 is 216/35.
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,
18/3 = 18 × 70/3 × 70 = 1260/210 - Add the two like fractions:
36/210 + 1260/210 = 36 + 1260/210 = 1296/210 - 1296/210 simplified gives 216/35
- So, 12/70 + 18/3 = 216/35
In mixed form: 66/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+18/3 12/70+36/3 12/70+18/6 36/70+18/3 12/70+54/3 12/70+18/9 60/70+18/3 12/70+90/3 12/70+18/15 84/70+18/3 12/70+18/21