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Add 30/4 and 30/80

1st number: 7 2/4, 2nd number: 30/80

30/4 + 30/80 is 63/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 4 × 20 = 80,
    30/4 = 30 × 20/4 × 20 = 600/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    30/80 = 30 × 1/80 × 1 = 30/80
  4. Add the two like fractions:
    600/80 + 30/80 = 600 + 30/80 = 630/80
  5. 630/80 simplified gives 63/8
  6. So, 30/4 + 30/80 = 63/8
    In mixed form: 77/8

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