Add 75/70 and 6/12
1st number: 1 5/70, 2nd number: 6/12
75/70 + 6/12 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
75/70 = 75 × 6/70 × 6 = 450/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
6/12 = 6 × 35/12 × 35 = 210/420 - Add the two like fractions:
450/420 + 210/420 = 450 + 210/420 = 660/420 - 660/420 simplified gives 11/7
- So, 75/70 + 6/12 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70+6/24 75/70+18/12 75/70+6/36 75/70+30/12 75/70+6/60 75/70+42/12 75/70+6/84