Add 5/4 and 21/98
1st number: 1 1/4, 2nd number: 21/98
5/4 + 21/98 is 41/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
5/4 = 5 × 49/4 × 49 = 245/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
21/98 = 21 × 2/98 × 2 = 42/196 - Add the two like fractions:
245/196 + 42/196 = 245 + 42/196 = 287/196 - 287/196 simplified gives 41/28
- So, 5/4 + 21/98 = 41/28
In mixed form: 113/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4+21/98 5/4+42/98 5/8+21/98 15/4+21/98 5/4+63/98 5/12+21/98 25/4+21/98 5/20+21/98 35/4+21/98 5/28+21/98