Add 30/49 and 35/70
30/49 + 35/70 is 109/98.
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,
30/49 = 30 × 10/49 × 10 = 300/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
35/70 = 35 × 7/70 × 7 = 245/490 - Add the two like fractions:
300/490 + 245/490 = 300 + 245/490 = 545/490 - 545/490 simplified gives 109/98
- So, 30/49 + 35/70 = 109/98
In mixed form: 111/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/49+35/70 30/98+35/70 90/49+35/70