Add 5/72 and 40/45
5/72 + 40/45 is 23/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
40/45 = 40 × 8/45 × 8 = 320/360 - Add the two like fractions:
25/360 + 320/360 = 25 + 320/360 = 345/360 - 345/360 simplified gives 23/24
- So, 5/72 + 40/45 = 23/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72+40/45 5/72+80/45 5/72+40/90 15/72+40/45 25/72+40/45 35/72+40/45