Add 9/12 and 15/56
9/12 + 15/56 is 57/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
9/12 = 9 × 14/12 × 14 = 126/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Add the two like fractions:
126/168 + 45/168 = 126 + 45/168 = 171/168 - 171/168 simplified gives 57/56
- So, 9/12 + 15/56 = 57/56
In mixed form: 11/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+15/56 9/12+30/56 9/24+15/56 27/12+15/56 9/12+45/56 9/36+15/56 45/12+15/56 9/12+75/56 9/60+15/56 63/12+15/56 9/84+15/56