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Add 45/12 and 5/25

1st number: 3 9/12, 2nd number: 5/25

45/12 + 5/25 is 79/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 25 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 12 × 25 = 300,
    45/12 = 45 × 25/12 × 25 = 1125/300
  3. Likewise, for the 2nd fraction, since 25 × 12 = 300,
    5/25 = 5 × 12/25 × 12 = 60/300
  4. Add the two like fractions:
    1125/300 + 60/300 = 1125 + 60/300 = 1185/300
  5. 1185/300 simplified gives 79/20
  6. So, 45/12 + 5/25 = 79/20
    In mixed form: 319/20

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