Add 9/40 and 9/98
9/40 + 9/98 is 621/1960.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
9/40 = 9 × 49/40 × 49 = 441/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
9/98 = 9 × 20/98 × 20 = 180/1960 - Add the two like fractions:
441/1960 + 180/1960 = 441 + 180/1960 = 621/1960 - So, 9/40 + 9/98 = 621/1960
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40+9/98 9/40+18/98 9/80+9/98 27/40+9/98 9/40+27/98 45/40+9/98 9/40+45/98 63/40+9/98 9/40+63/98