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Add 20/10 and 84/8

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

20/10 + 84/8 is 25/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    20/10 = 20 × 4/10 × 4 = 80/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    84/8 = 84 × 5/8 × 5 = 420/40
  4. Add the two fractions:
    80/40 + 420/40 = 80 + 420/40 = 500/40
  5. After reducing the fraction, the answer is 25/2
  6. In mixed form: 121/2

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