Add 4/49 and 9/20
4/49 + 9/20 is 521/980.
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,
4/49 = 4 × 20/49 × 20 = 80/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Add the two like fractions:
80/980 + 441/980 = 80 + 441/980 = 521/980 - So, 4/49 + 9/20 = 521/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49+9/20 4/49+18/20 4/98+9/20 4/49+9/40 12/49+9/20 4/49+27/20 4/49+9/60 20/49+9/20 4/49+45/20 28/49+9/20 4/49+63/20