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Add 1/18 and 21/4

1st number: 1/18, 2nd number: 5 1/4

1/18 + 21/4 is 191/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 18 × 2 = 36,
    1/18 = 1 × 2/18 × 2 = 2/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    21/4 = 21 × 9/4 × 9 = 189/36
  4. Add the two like fractions:
    2/36 + 189/36 = 2 + 189/36 = 191/36
  5. So, 1/18 + 21/4 = 191/36
    In mixed form: 511/36

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