Add 8/49 and 20/70
8/49 + 20/70 is 22/49.
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,
8/49 = 8 × 10/49 × 10 = 80/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
20/70 = 20 × 7/70 × 7 = 140/490 - Add the two like fractions:
80/490 + 140/490 = 80 + 140/490 = 220/490 - 220/490 simplified gives 22/49
- So, 8/49 + 20/70 = 22/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/49+20/70 8/49+40/70 8/98+20/70 24/49+20/70 8/49+60/70 40/49+20/70 56/49+20/70