Add 98/12 and 45/28
1st number: 8 2/12, 2nd number: 1 17/28
98/12 + 45/28 is 821/84.
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,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
45/28 = 45 × 3/28 × 3 = 135/84 - Add the two like fractions:
686/84 + 135/84 = 686 + 135/84 = 821/84 - So, 98/12 + 45/28 = 821/84
In mixed form: 965/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+90/28 98/24+45/28 98/12+45/56 98/36+45/28 98/12+45/84 98/60+45/28 98/84+45/28