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Add 5/18 and 21/8

1st number: 5/18, 2nd number: 2 5/8

5/18 + 21/8 is 209/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    5/18 = 5 × 4/18 × 4 = 20/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    21/8 = 21 × 9/8 × 9 = 189/72
  4. Add the two like fractions:
    20/72 + 189/72 = 20 + 189/72 = 209/72
  5. So, 5/18 + 21/8 = 209/72
    In mixed form: 265/72

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