Add 25/18 and 80/30
1st number: 1 7/18, 2nd number: 2 20/30
25/18 + 80/30 is 73/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
25/18 = 25 × 5/18 × 5 = 125/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Add the two like fractions:
125/90 + 240/90 = 125 + 240/90 = 365/90 - 365/90 simplified gives 73/18
- So, 25/18 + 80/30 = 73/18
In mixed form: 41/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+80/30 25/36+80/30 25/18+80/60 75/18+80/30 25/54+80/30 25/18+80/90 25/90+80/30