Add 9/28 and 8/12
9/28 + 8/12 is 83/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
9/28 = 9 × 3/28 × 3 = 27/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Add the two like fractions:
27/84 + 56/84 = 27 + 56/84 = 83/84 - So, 9/28 + 8/12 = 83/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/28+8/12 9/28+16/12 9/56+8/12 9/28+8/24 27/28+8/12 9/28+24/12 9/84+8/12 9/28+8/36 45/28+8/12 9/28+40/12 9/28+8/60 63/28+8/12 9/28+56/12 9/28+8/84