Add 3/80 and 1/72
3/80 + 1/72 is 37/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
3/80 = 3 × 9/80 × 9 = 27/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
1/72 = 1 × 10/72 × 10 = 10/720 - Add the two like fractions:
27/720 + 10/720 = 27 + 10/720 = 37/720 - So, 3/80 + 1/72 = 37/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+1/72 3/80+2/72 9/80+1/72 3/80+3/72 15/80+1/72 3/80+5/72 21/80+1/72 3/80+7/72