Add 9/36 and 15/70
9/36 + 15/70 is 13/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
9/36 = 9 × 35/36 × 35 = 315/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
15/70 = 15 × 18/70 × 18 = 270/1260 - Add the two like fractions:
315/1260 + 270/1260 = 315 + 270/1260 = 585/1260 - 585/1260 simplified gives 13/28
- So, 9/36 + 15/70 = 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36+15/70 9/36+30/70 9/72+15/70 27/36+15/70 9/36+45/70 45/36+15/70 9/36+75/70 63/36+15/70