Add 80/49 and 9/20
1st number: 1 31/49, 2nd number: 9/20
80/49 + 9/20 is 2041/980.
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,
80/49 = 80 × 20/49 × 20 = 1600/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Add the two like fractions:
1600/980 + 441/980 = 1600 + 441/980 = 2041/980 - So, 80/49 + 9/20 = 2041/980
In mixed form: 281/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/49+18/20 80/98+9/20 80/49+9/40 80/49+27/20 80/49+9/60 80/49+45/20 80/49+63/20