Add 10/12 and 28/70
10/12 + 28/70 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
10/12 = 10 × 35/12 × 35 = 350/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
28/70 = 28 × 6/70 × 6 = 168/420 - Add the two like fractions:
350/420 + 168/420 = 350 + 168/420 = 518/420 - 518/420 simplified gives 37/30
- So, 10/12 + 28/70 = 37/30
In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+28/70 10/12+56/70 10/24+28/70 30/12+28/70 10/12+84/70 10/36+28/70 50/12+28/70 10/60+28/70 70/12+28/70 10/84+28/70