Add 12/49 and 7/70
12/49 + 7/70 is 169/490.
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,
12/49 = 12 × 10/49 × 10 = 120/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
7/70 = 7 × 7/70 × 7 = 49/490 - Add the two like fractions:
120/490 + 49/490 = 120 + 49/490 = 169/490 - So, 12/49 + 7/70 = 169/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/49+7/70 12/49+14/70 12/98+7/70 36/49+7/70 12/49+21/70 60/49+7/70 12/49+35/70 84/49+7/70 12/49+49/70