Add 80/49 and 98/20
1st number: 1 31/49, 2nd number: 4 18/20
80/49 + 98/20 is 3201/490.
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,
98/20 = 98 × 49/20 × 49 = 4802/980 - Add the two like fractions:
1600/980 + 4802/980 = 1600 + 4802/980 = 6402/980 - 6402/980 simplified gives 3201/490
- So, 80/49 + 98/20 = 3201/490
In mixed form: 6261/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98+98/20 80/49+98/40 80/49+98/60