Add 7/98 and 9/20
7/98 + 9/20 is 73/140.
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,
7/98 = 7 × 10/98 × 10 = 70/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Add the two like fractions:
70/980 + 441/980 = 70 + 441/980 = 511/980 - 511/980 simplified gives 73/140
- So, 7/98 + 9/20 = 73/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98+9/20 7/98+18/20 7/98+9/40 21/98+9/20 7/98+27/20 7/98+9/60 35/98+9/20 7/98+45/20 49/98+9/20 7/98+63/20