Add 3/18 and 49/70
3/18 + 49/70 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
3/18 = 3 × 35/18 × 35 = 105/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630 - Add the two like fractions:
105/630 + 441/630 = 105 + 441/630 = 546/630 - 546/630 simplified gives 13/15
- So, 3/18 + 49/70 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+49/70 3/18+98/70 3/36+49/70 9/18+49/70 3/54+49/70 15/18+49/70 3/90+49/70 21/18+49/70