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Add 20/5 and 84/40

1st number: 4 0/5, 2nd number: 2 4/40

20/5 + 84/40 is 61/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 40 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 40 × 1 = 40,
    84/40 = 84 × 1/40 × 1 = 84/40
  4. Add the two fractions:
    160/40 + 84/40 = 160 + 84/40 = 244/40
  5. After reducing the fraction, the answer is 61/10
  6. In mixed form: 61/10

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