Add 54/21 and 49/75
1st number: 2 12/21, 2nd number: 49/75
54/21 + 49/75 is 1693/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
54/21 = 54 × 25/21 × 25 = 1350/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
49/75 = 49 × 7/75 × 7 = 343/525 - Add the two like fractions:
1350/525 + 343/525 = 1350 + 343/525 = 1693/525 - So, 54/21 + 49/75 = 1693/525
In mixed form: 3118/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+98/75 54/42+49/75 54/63+49/75