Add 28/75 and 15/40
28/75 + 15/40 is 449/600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
28/75 = 28 × 8/75 × 8 = 224/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
15/40 = 15 × 15/40 × 15 = 225/600 - Add the two like fractions:
224/600 + 225/600 = 224 + 225/600 = 449/600 - So, 28/75 + 15/40 = 449/600
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75+15/40 28/75+30/40 28/75+15/80 84/75+15/40 28/75+45/40 28/75+75/40