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Add 20/24 and 42/80

20/24 + 42/80 is 163/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 80 is 240
  2. For the 1st fraction, since 24 × 10 = 240,
    20/24 = 20 × 10/24 × 10 = 200/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    42/80 = 42 × 3/80 × 3 = 126/240
  4. Add the two fractions:
    200/240 + 126/240 = 200 + 126/240 = 326/240
  5. After reducing the fraction, the answer is 163/120
  6. In mixed form: 143/120

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