Add 30/70 and 12/35
30/70 + 12/35 is 27/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
12/35 = 12 × 2/35 × 2 = 24/70 - Add the two like fractions:
30/70 + 24/70 = 30 + 24/70 = 54/70 - 54/70 simplified gives 27/35
- So, 30/70 + 12/35 = 27/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+12/35 30/70+24/35 30/70+12/70 90/70+12/35 30/70+36/35 30/70+60/35 30/70+84/35