Add 27/40 and 5/72
27/40 + 5/72 is 67/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
27/40 = 27 × 9/40 × 9 = 243/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360 - Add the two like fractions:
243/360 + 25/360 = 243 + 25/360 = 268/360 - 268/360 simplified gives 67/90
- So, 27/40 + 5/72 = 67/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+5/72 27/40+10/72 27/80+5/72 81/40+5/72 27/40+15/72 27/40+25/72 27/40+35/72