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Add 15/10 and 90/40

1st number: 1 5/10, 2nd number: 2 10/40

15/10 + 90/40 is 15/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 40 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    15/10 = 15 × 4/10 × 4 = 60/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    90/40 = 90 × 1/40 × 1 = 90/40
  4. Add the two fractions:
    60/40 + 90/40 = 60 + 90/40 = 150/40
  5. After reducing the fraction, the answer is 15/4
  6. In mixed form: 33/4

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