Add 7/49 and 8/70
7/49 + 8/70 is 9/35.
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,
7/49 = 7 × 10/49 × 10 = 70/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
8/70 = 8 × 7/70 × 7 = 56/490 - Add the two like fractions:
70/490 + 56/490 = 70 + 56/490 = 126/490 - 126/490 simplified gives 9/35
- So, 7/49 + 8/70 = 9/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/49+8/70 7/49+16/70 7/98+8/70 21/49+8/70 7/49+24/70 35/49+8/70 7/49+40/70 7/49+56/70