Add 28/75 and 7/84
28/75 + 7/84 is 137/300.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 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 84 × 25 = 2100,
7/84 = 7 × 25/84 × 25 = 175/2100 - Add the two like fractions:
784/2100 + 175/2100 = 784 + 175/2100 = 959/2100 - 959/2100 simplified gives 137/300
- So, 28/75 + 7/84 = 137/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75+7/84 28/75+14/84 84/75+7/84 28/75+21/84 28/75+35/84 28/75+49/84