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Add 18/30 and 30/8

1st number: 18/30, 2nd number: 3 6/8

18/30 + 30/8 is 87/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 8 is 120
  2. For the 1st fraction, since 30 × 4 = 120,
    18/30 = 18 × 4/30 × 4 = 72/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    30/8 = 30 × 15/8 × 15 = 450/120
  4. Add the two fractions:
    72/120 + 450/120 = 72 + 450/120 = 522/120
  5. After reducing the fraction, the answer is 87/20
  6. In mixed form: 47/20

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