Add 54/56 and 9/16
54/56 + 9/16 is 171/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 56 × 2 = 112,
54/56 = 54 × 2/56 × 2 = 108/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
9/16 = 9 × 7/16 × 7 = 63/112 - Add the two like fractions:
108/112 + 63/112 = 108 + 63/112 = 171/112 - So, 54/56 + 9/16 = 171/112
In mixed form: 159/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+18/16 54/56+9/32 54/56+27/16 54/56+9/48 54/56+45/16 54/56+9/80 54/56+63/16