Add 15/70 and 15/35
15/70 + 15/35 is 9/14.
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,
15/70 = 15 × 1/70 × 1 = 15/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
15/35 = 15 × 2/35 × 2 = 30/70 - Add the two like fractions:
15/70 + 30/70 = 15 + 30/70 = 45/70 - 45/70 simplified gives 9/14
- So, 15/70 + 15/35 = 9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+15/35 15/70+30/35 15/70+15/70 45/70+15/35 15/70+45/35 75/70+15/35 15/70+75/35