Add 25/75 and 3/7
25/75 + 3/7 is 16/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
25/75 = 25 × 7/75 × 7 = 175/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
3/7 = 3 × 75/7 × 75 = 225/525 - Add the two like fractions:
175/525 + 225/525 = 175 + 225/525 = 400/525 - 400/525 simplified gives 16/21
- So, 25/75 + 3/7 = 16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75+3/7 25/75+6/7 25/75+3/14 25/75+9/7 25/75+3/21 25/75+15/7 25/75+3/35 25/75+21/7 25/75+3/49