Add 7/70 and 15/18
7/70 + 15/18 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
15/18 = 15 × 35/18 × 35 = 525/630 - Add the two like fractions:
63/630 + 525/630 = 63 + 525/630 = 588/630 - 588/630 simplified gives 14/15
- So, 7/70 + 15/18 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+15/18 7/70+30/18 7/70+15/36 21/70+15/18 7/70+45/18 7/70+15/54 35/70+15/18 7/70+75/18 7/70+15/90 49/70+15/18