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Add 15/20 and 45/40

1st number: 15/20, 2nd number: 1 5/40

15/20 + 45/40 is 15/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    15/20 = 15 × 2/20 × 2 = 30/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    45/40 = 45 × 1/40 × 1 = 45/40
  4. Add the two like fractions:
    30/40 + 45/40 = 30 + 45/40 = 75/40
  5. 75/40 simplified gives 15/8
  6. So, 15/20 + 45/40 = 15/8
    In mixed form: 17/8

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