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Add 30/4 and 75/80

1st number: 7 2/4, 2nd number: 75/80

30/4 + 75/80 is 135/16.

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,
    75/80 = 75 × 1/80 × 1 = 75/80
  4. Add the two like fractions:
    600/80 + 75/80 = 600 + 75/80 = 675/80
  5. 675/80 simplified gives 135/16
  6. So, 30/4 + 75/80 = 135/16
    In mixed form: 87/16

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