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Add 9/20 and 10/8

1st number: 9/20, 2nd number: 1 2/8

9/20 + 10/8 is 17/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 8 is 40
  2. For the 1st fraction, since 20 × 2 = 40,
    9/20 = 9 × 2/20 × 2 = 18/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    10/8 = 10 × 5/8 × 5 = 50/40
  4. Add the two fractions:
    18/40 + 50/40 = 18 + 50/40 = 68/40
  5. After reducing the fraction, the answer is 17/10
  6. In mixed form: 17/10

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