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Add 18/4 and 15/8

1st number: 4 2/4, 2nd number: 1 7/8

18/4 + 15/8 is 51/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 8 is 8
  2. For the 1st fraction, since 4 × 2 = 8,
    18/4 = 18 × 2/4 × 2 = 36/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    15/8 = 15 × 1/8 × 1 = 15/8
  4. Add the two fractions:
    36/8 + 15/8 = 36 + 15/8 = 51/8
  5. In mixed form: 63/8

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