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Add 7/4 and 12/80

1st number: 1 3/4, 2nd number: 12/80

7/4 + 12/80 is 19/10.

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,
    7/4 = 7 × 20/4 × 20 = 140/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    12/80 = 12 × 1/80 × 1 = 12/80
  4. Add the two like fractions:
    140/80 + 12/80 = 140 + 12/80 = 152/80
  5. 152/80 simplified gives 19/10
  6. So, 7/4 + 12/80 = 19/10
    In mixed form: 19/10

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