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Add 1/18 and 21/72

1/18 + 21/72 is 25/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    1/18 = 1 × 4/18 × 4 = 4/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    21/72 = 21 × 1/72 × 1 = 21/72
  4. Add the two like fractions:
    4/72 + 21/72 = 4 + 21/72 = 25/72
  5. So, 1/18 + 21/72 = 25/72

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