Add 3/40 and 40/72
3/40 + 40/72 is 227/360.
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,
3/40 = 3 × 9/40 × 9 = 27/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Add the two like fractions:
27/360 + 200/360 = 27 + 200/360 = 227/360 - So, 3/40 + 40/72 = 227/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40+40/72 3/40+80/72 3/80+40/72 9/40+40/72 15/40+40/72 21/40+40/72