Add 3/49 and 7/70
3/49 + 7/70 is 79/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
3/49 = 3 × 10/49 × 10 = 30/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
7/70 = 7 × 7/70 × 7 = 49/490 - Add the two like fractions:
30/490 + 49/490 = 30 + 49/490 = 79/490 - So, 3/49 + 7/70 = 79/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49+7/70 3/49+14/70 3/98+7/70 9/49+7/70 3/49+21/70 15/49+7/70 3/49+35/70 21/49+7/70 3/49+49/70