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Add 7/4 and 40/80

1st number: 1 3/4, 2nd number: 40/80

7/4 + 40/80 is 9/4.

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,
    40/80 = 40 × 1/80 × 1 = 40/80
  4. Add the two like fractions:
    140/80 + 40/80 = 140 + 40/80 = 180/80
  5. 180/80 simplified gives 9/4
  6. So, 7/4 + 40/80 = 9/4
    In mixed form: 21/4

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