Add 98/4 and 12/21
1st number: 24 2/4, 2nd number: 12/21
98/4 + 12/21 is 351/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
98/4 = 98 × 21/4 × 21 = 2058/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
12/21 = 12 × 4/21 × 4 = 48/84 - Add the two like fractions:
2058/84 + 48/84 = 2058 + 48/84 = 2106/84 - 2106/84 simplified gives 351/14
- So, 98/4 + 12/21 = 351/14
In mixed form: 251/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4+24/21 98/8+12/21 98/4+12/42 98/4+36/21 98/12+12/21 98/4+12/63 98/4+60/21 98/20+12/21 98/4+84/21 98/28+12/21