Add 1/15 and 49/70
1/15 + 49/70 is 23/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
1/15 = 1 × 14/15 × 14 = 14/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
49/70 = 49 × 3/70 × 3 = 147/210 - Add the two like fractions:
14/210 + 147/210 = 14 + 147/210 = 161/210 - 161/210 simplified gives 23/30
- So, 1/15 + 49/70 = 23/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+49/70 1/15+98/70 1/30+49/70 3/15+49/70 1/45+49/70 5/15+49/70 1/75+49/70 7/15+49/70