Add 20/28 and 9/98
20/28 + 9/98 is 79/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
20/28 = 20 × 7/28 × 7 = 140/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
9/98 = 9 × 2/98 × 2 = 18/196 - Add the two like fractions:
140/196 + 18/196 = 140 + 18/196 = 158/196 - 158/196 simplified gives 79/98
- So, 20/28 + 9/98 = 79/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+9/98 20/28+18/98 20/56+9/98 60/28+9/98 20/28+27/98 20/84+9/98 20/28+45/98 20/28+63/98