Add 12/28 and 81/8
1st number: 12/28, 2nd number: 10 1/8
12/28 + 81/8 is 591/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
12/28 = 12 × 2/28 × 2 = 24/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
81/8 = 81 × 7/8 × 7 = 567/56 - Add the two like fractions:
24/56 + 567/56 = 24 + 567/56 = 591/56 - So, 12/28 + 81/8 = 591/56
In mixed form: 1031/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+81/8 12/56+81/8 12/28+81/16 36/28+81/8 12/84+81/8 12/28+81/24 60/28+81/8 12/28+81/40 84/28+81/8 12/28+81/56