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Add 20/8 and 42/40

1st number: 2 4/8, 2nd number: 1 2/40

20/8 + 42/40 is 71/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 40 is 40
  2. For the 1st fraction, since 8 × 5 = 40,
    20/8 = 20 × 5/8 × 5 = 100/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    42/40 = 42 × 1/40 × 1 = 42/40
  4. Add the two fractions:
    100/40 + 42/40 = 100 + 42/40 = 142/40
  5. After reducing the fraction, the answer is 71/20
  6. In mixed form: 311/20

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