Add 28/60 and 54/72
28/60 + 54/72 is 73/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
28/60 = 28 × 6/60 × 6 = 168/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
54/72 = 54 × 5/72 × 5 = 270/360 - Add the two like fractions:
168/360 + 270/360 = 168 + 270/360 = 438/360 - 438/360 simplified gives 73/60
- So, 28/60 + 54/72 = 73/60
In mixed form: 113/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60+54/72 84/60+54/72