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Add 45/12 and 25/40

1st number: 3 9/12, 2nd number: 25/40

45/12 + 25/40 is 35/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 12 × 10 = 120,
    45/12 = 45 × 10/12 × 10 = 450/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    25/40 = 25 × 3/40 × 3 = 75/120
  4. Add the two like fractions:
    450/120 + 75/120 = 450 + 75/120 = 525/120
  5. 525/120 simplified gives 35/8
  6. So, 45/12 + 25/40 = 35/8
    In mixed form: 43/8

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