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Add 70/80 and 7/4

1st number: 70/80, 2nd number: 1 3/4

70/80 + 7/4 is 21/8.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    70/80 = 70 × 1/80 × 1 = 70/80
  3. Likewise, for the 2nd fraction, since 4 × 20 = 80,
    7/4 = 7 × 20/4 × 20 = 140/80
  4. Add the two like fractions:
    70/80 + 140/80 = 70 + 140/80 = 210/80
  5. 210/80 simplified gives 21/8
  6. So, 70/80 + 7/4 = 21/8
    In mixed form: 25/8

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