Add 54/60 and 40/72
54/60 + 40/72 is 131/90.
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,
54/60 = 54 × 6/60 × 6 = 324/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Add the two like fractions:
324/360 + 200/360 = 324 + 200/360 = 524/360 - 524/360 simplified gives 131/90
- So, 54/60 + 40/72 = 131/90
In mixed form: 141/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+80/72