Add 3/35 and 12/70
3/35 + 12/70 is 9/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
3/35 = 3 × 2/35 × 2 = 6/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Add the two like fractions:
6/70 + 12/70 = 6 + 12/70 = 18/70 - 18/70 simplified gives 9/35
- So, 3/35 + 12/70 = 9/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/35+12/70 3/35+24/70 3/70+12/70 9/35+12/70 3/35+36/70 15/35+12/70 3/35+60/70 21/35+12/70 3/35+84/70