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Add 4/72 and 21/36

4/72 + 21/36 is 23/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 36 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    4/72 = 4 × 1/72 × 1 = 4/72
  3. Likewise, for the 2nd fraction, since 36 × 2 = 72,
    21/36 = 21 × 2/36 × 2 = 42/72
  4. Add the two like fractions:
    4/72 + 42/72 = 4 + 42/72 = 46/72
  5. 46/72 simplified gives 23/36
  6. So, 4/72 + 21/36 = 23/36

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