Add 28/75 and 25/21
1st number: 28/75, 2nd number: 1 4/21
28/75 + 25/21 is 821/525.
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,
28/75 = 28 × 7/75 × 7 = 196/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
25/21 = 25 × 25/21 × 25 = 625/525 - Add the two like fractions:
196/525 + 625/525 = 196 + 625/525 = 821/525 - So, 28/75 + 25/21 = 821/525
In mixed form: 1296/525
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