Add 20/28 and 8/98
20/28 + 8/98 is 39/49.
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,
8/98 = 8 × 2/98 × 2 = 16/196 - Add the two like fractions:
140/196 + 16/196 = 140 + 16/196 = 156/196 - 156/196 simplified gives 39/49
- So, 20/28 + 8/98 = 39/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+8/98 20/28+16/98 20/56+8/98 60/28+8/98 20/28+24/98 20/84+8/98 20/28+40/98 20/28+56/98