Add 25/35 and 3/12
25/35 + 3/12 is 27/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
25/35 = 25 × 12/35 × 12 = 300/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
3/12 = 3 × 35/12 × 35 = 105/420 - Add the two like fractions:
300/420 + 105/420 = 300 + 105/420 = 405/420 - 405/420 simplified gives 27/28
- So, 25/35 + 3/12 = 27/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/35+3/12 25/35+6/12 25/70+3/12 25/35+3/24 75/35+3/12 25/35+9/12 25/35+3/36 25/35+15/12 25/35+3/60 25/35+21/12 25/35+3/84