Add 72/12 and 98/28
1st number: 6 0/12, 2nd number: 3 14/28
72/12 + 98/28 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
72/12 = 72 × 7/12 × 7 = 504/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
98/28 = 98 × 3/28 × 3 = 294/84 - Add the two like fractions:
504/84 + 294/84 = 504 + 294/84 = 798/84 - 798/84 simplified gives 19/2
- So, 72/12 + 98/28 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+98/28 72/12+98/56 72/36+98/28 72/12+98/84 72/60+98/28 72/84+98/28