Add 28/75 and 12/28
28/75 + 12/28 is 421/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 28 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
28/75 = 28 × 28/75 × 28 = 784/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
12/28 = 12 × 75/28 × 75 = 900/2100 - Add the two like fractions:
784/2100 + 900/2100 = 784 + 900/2100 = 1684/2100 - 1684/2100 simplified gives 421/525
- So, 28/75 + 12/28 = 421/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75+12/28 28/75+24/28 28/75+12/56 84/75+12/28 28/75+36/28 28/75+12/84 28/75+60/28 28/75+84/28