Add 3/72 and 32/80
3/72 + 32/80 is 53/120.
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,
3/72 = 3 × 10/72 × 10 = 30/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
32/80 = 32 × 9/80 × 9 = 288/720 - Add the two like fractions:
30/720 + 288/720 = 30 + 288/720 = 318/720 - 318/720 simplified gives 53/120
- So, 3/72 + 32/80 = 53/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/72+32/80 3/72+64/80 9/72+32/80 3/72+96/80 15/72+32/80 21/72+32/80