Add 25/80 and 60/72
25/80 + 60/72 is 55/48.
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,
25/80 = 25 × 9/80 × 9 = 225/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
60/72 = 60 × 10/72 × 10 = 600/720 - Add the two like fractions:
225/720 + 600/720 = 225 + 600/720 = 825/720 - 825/720 simplified gives 55/48
- So, 25/80 + 60/72 = 55/48
In mixed form: 17/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80+60/72 75/80+60/72