Add 18/35 and 40/70
18/35 + 40/70 is 38/35.
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,
18/35 = 18 × 2/35 × 2 = 36/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70 - Add the two like fractions:
36/70 + 40/70 = 36 + 40/70 = 76/70 - 76/70 simplified gives 38/35
- So, 18/35 + 40/70 = 38/35
In mixed form: 13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35+40/70 18/35+80/70 18/70+40/70 54/35+40/70 90/35+40/70