Add 4/75 and 15/21
4/75 + 15/21 is 403/525.
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,
4/75 = 4 × 7/75 × 7 = 28/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
15/21 = 15 × 25/21 × 25 = 375/525 - Add the two like fractions:
28/525 + 375/525 = 28 + 375/525 = 403/525 - So, 4/75 + 15/21 = 403/525
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