Add 5/12 and 98/21
1st number: 5/12, 2nd number: 4 14/21
5/12 + 98/21 is 61/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
98/21 = 98 × 4/21 × 4 = 392/84 - Add the two like fractions:
35/84 + 392/84 = 35 + 392/84 = 427/84 - 427/84 simplified gives 61/12
- So, 5/12 + 98/21 = 61/12
In mixed form: 51/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12+98/21 5/24+98/21 5/12+98/42 15/12+98/21 5/36+98/21 5/12+98/63 25/12+98/21 5/60+98/21 35/12+98/21 5/84+98/21