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Add 18/42 and 30/8

1st number: 18/42, 2nd number: 3 6/8

18/42 + 30/8 is 117/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    18/42 = 18 × 4/42 × 4 = 72/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    30/8 = 30 × 21/8 × 21 = 630/168
  4. Add the two fractions:
    72/168 + 630/168 = 72 + 630/168 = 702/168
  5. 702/168 simplified gives 117/28
  6. So, 18/42 + 30/8 = 117/28
    In mixed form: 45/28

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