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Add 84/80 and 7/10

1st number: 1 4/80, 2nd number: 7/10

84/80 + 7/10 is 7/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    84/80 = 84 × 1/80 × 1 = 84/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    7/10 = 7 × 8/10 × 8 = 56/80
  4. Add the two like fractions:
    84/80 + 56/80 = 84 + 56/80 = 140/80
  5. 140/80 simplified gives 7/4
  6. So, 84/80 + 7/10 = 7/4
    In mixed form: 13/4

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