Add 12/16 and 9/28
12/16 + 9/28 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
12/16 = 12 × 7/16 × 7 = 84/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
9/28 = 9 × 4/28 × 4 = 36/112 - Add the two like fractions:
84/112 + 36/112 = 84 + 36/112 = 120/112 - 120/112 simplified gives 15/14
- So, 12/16 + 9/28 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16+9/28 12/16+18/28 12/32+9/28 12/16+9/56 36/16+9/28 12/16+27/28 12/48+9/28 12/16+9/84 60/16+9/28 12/16+45/28 12/80+9/28 84/16+9/28 12/16+63/28