Add 25/18 and 60/80
1st number: 1 7/18, 2nd number: 60/80
25/18 + 60/80 is 77/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
25/18 = 25 × 40/18 × 40 = 1000/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
60/80 = 60 × 9/80 × 9 = 540/720 - Add the two like fractions:
1000/720 + 540/720 = 1000 + 540/720 = 1540/720 - 1540/720 simplified gives 77/36
- So, 25/18 + 60/80 = 77/36
In mixed form: 25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+60/80 25/36+60/80 75/18+60/80 25/54+60/80 25/90+60/80