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Add 20/5 and 84/8

1st number: 4 0/5, 2nd number: 10 4/8

20/5 + 84/8 is 29/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40
  2. For the 1st fraction, since 5 × 8 = 40,
    20/5 = 20 × 8/5 × 8 = 160/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    84/8 = 84 × 5/8 × 5 = 420/40
  4. Add the two fractions:
    160/40 + 420/40 = 160 + 420/40 = 580/40
  5. After reducing the fraction, the answer is 29/2
  6. In mixed form: 141/2

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