Add 70/20 and 14/12
1st number: 3 10/20, 2nd number: 1 2/12
70/20 + 14/12 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
70/20 = 70 × 3/20 × 3 = 210/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
14/12 = 14 × 5/12 × 5 = 70/60 - Add the two like fractions:
210/60 + 70/60 = 210 + 70/60 = 280/60 - 280/60 simplified gives 14/3
- So, 70/20 + 14/12 = 14/3
In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+28/12 70/40+14/12 70/20+14/24 70/20+42/12 70/60+14/12 70/20+14/36 70/20+70/12 70/20+14/60 70/20+98/12 70/20+14/84