Add 18/98 and 18/20
18/98 + 18/20 is 531/490.
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,
18/98 = 18 × 10/98 × 10 = 180/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
18/20 = 18 × 49/20 × 49 = 882/980 - Add the two like fractions:
180/980 + 882/980 = 180 + 882/980 = 1062/980 - 1062/980 simplified gives 531/490
- So, 18/98 + 18/20 = 531/490
In mixed form: 141/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/98+18/20 18/98+36/20 18/98+18/40 54/98+18/20 18/98+54/20 18/98+18/60 90/98+18/20 18/98+90/20