Add 18/70 and 30/35
18/70 + 30/35 is 39/35.
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,
18/70 = 18 × 1/70 × 1 = 18/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
30/35 = 30 × 2/35 × 2 = 60/70 - Add the two like fractions:
18/70 + 60/70 = 18 + 60/70 = 78/70 - 78/70 simplified gives 39/35
- So, 18/70 + 30/35 = 39/35
In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+30/35 18/70+60/35 18/70+30/70 54/70+30/35 18/70+90/35 90/70+30/35