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Add 84/42 and 1/80

1st number: 2 0/42, 2nd number: 1/80

84/42 + 1/80 is 161/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 80 is 1680
  2. For the 1st fraction, since 42 × 40 = 1680,
    84/42 = 84 × 40/42 × 40 = 3360/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    1/80 = 1 × 21/80 × 21 = 21/1680
  4. Add the two fractions:
    3360/1680 + 21/1680 = 3360 + 21/1680 = 3381/1680
  5. After reducing the fraction, the answer is 161/80
  6. In mixed form: 21/80

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