Add 21/98 and 2/28
21/98 + 2/28 is 2/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
21/98 = 21 × 2/98 × 2 = 42/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
2/28 = 2 × 7/28 × 7 = 14/196 - Add the two like fractions:
42/196 + 14/196 = 42 + 14/196 = 56/196 - 56/196 simplified gives 2/7
- So, 21/98 + 2/28 = 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+2/28 21/98+4/28 21/98+2/56 63/98+2/28 21/98+6/28 21/98+2/84 21/98+10/28 21/98+14/28