Add 8/72 and 25/80
8/72 + 25/80 is 61/144.
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,
8/72 = 8 × 10/72 × 10 = 80/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
25/80 = 25 × 9/80 × 9 = 225/720 - Add the two like fractions:
80/720 + 225/720 = 80 + 225/720 = 305/720 - 305/720 simplified gives 61/144
- So, 8/72 + 25/80 = 61/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72+25/80 8/72+50/80 24/72+25/80 8/72+75/80 40/72+25/80 56/72+25/80