Add 5/72 and 4/80
5/72 + 4/80 is 43/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
5/72 = 5 × 10/72 × 10 = 50/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
4/80 = 4 × 9/80 × 9 = 36/720 - Add the two like fractions:
50/720 + 36/720 = 50 + 36/720 = 86/720 - 86/720 simplified gives 43/360
- So, 5/72 + 4/80 = 43/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72+4/80 5/72+8/80 15/72+4/80 5/72+12/80 25/72+4/80 5/72+20/80 35/72+4/80 5/72+28/80