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Add 84/30 and 7/20

1st number: 2 24/30, 2nd number: 7/20

84/30 + 7/20 is 63/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    84/30 = 84 × 2/30 × 2 = 168/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    7/20 = 7 × 3/20 × 3 = 21/60
  4. Add the two like fractions:
    168/60 + 21/60 = 168 + 21/60 = 189/60
  5. 189/60 simplified gives 63/20
  6. So, 84/30 + 7/20 = 63/20
    In mixed form: 33/20

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