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Add 15/4 and 40/10

1st number: 3 3/4, 2nd number: 4 0/10

15/4 + 40/10 is 31/4.

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,
    15/4 = 15 × 5/4 × 5 = 75/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    40/10 = 40 × 2/10 × 2 = 80/20
  4. Add the two fractions:
    75/20 + 80/20 = 75 + 80/20 = 155/20
  5. 155/20 simplified gives 31/4
  6. So, 15/4 + 40/10 = 31/4
    In mixed form: 73/4

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