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Add 90/20 and 25/40

1st number: 4 10/20, 2nd number: 25/40

90/20 + 25/40 is 41/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40
  2. For the 1st fraction, since 20 × 2 = 40,
    90/20 = 90 × 2/20 × 2 = 180/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    25/40 = 25 × 1/40 × 1 = 25/40
  4. Add the two fractions:
    180/40 + 25/40 = 180 + 25/40 = 205/40
  5. After reducing the fraction, the answer is 41/8
  6. In mixed form: 51/8

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