Add 50/45 and 25/80
1st number: 1 5/45, 2nd number: 25/80
50/45 + 25/80 is 205/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
50/45 = 50 × 16/45 × 16 = 800/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
25/80 = 25 × 9/80 × 9 = 225/720 - Add the two like fractions:
800/720 + 225/720 = 800 + 225/720 = 1025/720 - 1025/720 simplified gives 205/144
- So, 50/45 + 25/80 = 205/144
In mixed form: 161/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45+50/80 50/90+25/80 50/45+75/80