Add 12/14 and 18/70
12/14 + 18/70 is 39/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
12/14 = 12 × 5/14 × 5 = 60/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Add the two like fractions:
60/70 + 18/70 = 60 + 18/70 = 78/70 - 78/70 simplified gives 39/35
- So, 12/14 + 18/70 = 39/35
In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+18/70 12/14+36/70 12/28+18/70 36/14+18/70 12/14+54/70 12/42+18/70 60/14+18/70 12/14+90/70 12/70+18/70 84/14+18/70 12/98+18/70