Add 18/75 and 5/80
18/75 + 5/80 is 121/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
18/75 = 18 × 16/75 × 16 = 288/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
5/80 = 5 × 15/80 × 15 = 75/1200 - Add the two like fractions:
288/1200 + 75/1200 = 288 + 75/1200 = 363/1200 - 363/1200 simplified gives 121/400
- So, 18/75 + 5/80 = 121/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75+5/80 18/75+10/80 54/75+5/80 18/75+15/80 90/75+5/80 18/75+25/80 18/75+35/80