Add 9/49 and 9/20
9/49 + 9/20 is 621/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
9/49 = 9 × 20/49 × 20 = 180/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Add the two like fractions:
180/980 + 441/980 = 180 + 441/980 = 621/980 - So, 9/49 + 9/20 = 621/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/49+9/20 9/49+18/20 9/98+9/20 9/49+9/40 27/49+9/20 9/49+27/20 9/49+9/60 45/49+9/20 9/49+45/20 63/49+9/20 9/49+63/20