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Add 5/4 and 3/10

1st number: 1 1/4, 2nd number: 3/10

5/4 + 3/10 is 31/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    5/4 = 5 × 5/4 × 5 = 25/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    3/10 = 3 × 2/10 × 2 = 6/20
  4. Add the two fractions:
    25/20 + 6/20 = 25 + 6/20 = 31/20
  5. In mixed form: 111/20

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