Add 90/98 and 2/20
90/98 + 2/20 is 499/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
90/98 = 90 × 10/98 × 10 = 900/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
2/20 = 2 × 49/20 × 49 = 98/980 - Add the two like fractions:
900/980 + 98/980 = 900 + 98/980 = 998/980 - 998/980 simplified gives 499/490
- So, 90/98 + 2/20 = 499/490
In mixed form: 19/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+4/20 90/98+2/40 90/98+6/20 90/98+2/60 90/98+10/20 90/98+14/20