Add 7/75 and 5/21
7/75 + 5/21 is 58/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
7/75 = 7 × 7/75 × 7 = 49/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
5/21 = 5 × 25/21 × 25 = 125/525 - Add the two like fractions:
49/525 + 125/525 = 49 + 125/525 = 174/525 - 174/525 simplified gives 58/175
- So, 7/75 + 5/21 = 58/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75+5/21 7/75+10/21 7/75+5/42 21/75+5/21 7/75+15/21 7/75+5/63 35/75+5/21 7/75+25/21 49/75+5/21 7/75+35/21