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Add 21/75 and 4/36

21/75 + 4/36 is 88/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 36 is 900
  2. For the 1st fraction, since 75 × 12 = 900,
    21/75 = 21 × 12/75 × 12 = 252/900
  3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
    4/36 = 4 × 25/36 × 25 = 100/900
  4. Add the two fractions:
    252/900 + 100/900 = 252 + 100/900 = 352/900
  5. 352/900 simplified gives 88/225
  6. So, 21/75 + 4/36 = 88/225

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