Add 28/12 and 28/35
1st number: 2 4/12, 2nd number: 28/35
28/12 + 28/35 is 47/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
28/12 = 28 × 35/12 × 35 = 980/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
28/35 = 28 × 12/35 × 12 = 336/420 - Add the two like fractions:
980/420 + 336/420 = 980 + 336/420 = 1316/420 - 1316/420 simplified gives 47/15
- So, 28/12 + 28/35 = 47/15
In mixed form: 32/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+28/35 28/12+56/35 28/24+28/35 28/12+28/70 84/12+28/35 28/12+84/35 28/36+28/35 28/60+28/35 28/84+28/35