Add 20/98 and 9/70
20/98 + 9/70 is 163/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
9/70 = 9 × 7/70 × 7 = 63/490 - Add the two like fractions:
100/490 + 63/490 = 100 + 63/490 = 163/490 - So, 20/98 + 9/70 = 163/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+9/70 20/98+18/70 60/98+9/70 20/98+27/70 20/98+45/70 20/98+63/70