Add 45/98 and 21/4
1st number: 45/98, 2nd number: 5 1/4
45/98 + 21/4 is 1119/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
45/98 = 45 × 2/98 × 2 = 90/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
21/4 = 21 × 49/4 × 49 = 1029/196 - Add the two like fractions:
90/196 + 1029/196 = 90 + 1029/196 = 1119/196 - So, 45/98 + 21/4 = 1119/196
In mixed form: 5139/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+21/4 45/98+42/4 45/98+21/8 45/98+63/4 45/98+21/12 45/98+21/20 45/98+21/28