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Add 27/4 and 42/30

1st number: 6 3/4, 2nd number: 1 12/30

27/4 + 42/30 is 163/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    27/4 = 27 × 15/4 × 15 = 405/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    42/30 = 42 × 2/30 × 2 = 84/60
  4. Add the two like fractions:
    405/60 + 84/60 = 405 + 84/60 = 489/60
  5. 489/60 simplified gives 163/20
  6. So, 27/4 + 42/30 = 163/20
    In mixed form: 83/20

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