Add 98/12 and 16/21
1st number: 8 2/12, 2nd number: 16/21
98/12 + 16/21 is 125/14.
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,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
16/21 = 16 × 4/21 × 4 = 64/84 - Add the two like fractions:
686/84 + 64/84 = 686 + 64/84 = 750/84 - 750/84 simplified gives 125/14
- So, 98/12 + 16/21 = 125/14
In mixed form: 813/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+32/21 98/24+16/21 98/12+16/42 98/12+48/21 98/36+16/21 98/12+16/63 98/12+80/21 98/60+16/21 98/84+16/21