Add 54/72 and 7/16
54/72 + 7/16 is 19/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
54/72 = 54 × 2/72 × 2 = 108/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
7/16 = 7 × 9/16 × 9 = 63/144 - Add the two like fractions:
108/144 + 63/144 = 108 + 63/144 = 171/144 - 171/144 simplified gives 19/16
- So, 54/72 + 7/16 = 19/16
In mixed form: 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+14/16 54/72+7/32 54/72+21/16 54/72+7/48 54/72+35/16 54/72+7/80 54/72+49/16