Add 18/48 and 45/75
18/48 + 45/75 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 48 × 25 = 1200,
18/48 = 18 × 25/48 × 25 = 450/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
45/75 = 45 × 16/75 × 16 = 720/1200 - Add the two like fractions:
450/1200 + 720/1200 = 450 + 720/1200 = 1170/1200 - 1170/1200 simplified gives 39/40
- So, 18/48 + 45/75 = 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48+45/75 18/48+90/75 18/96+45/75 54/48+45/75 90/48+45/75