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Add 45/25 and 12/40

1st number: 1 20/25, 2nd number: 12/40

45/25 + 12/40 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 40 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 25 × 8 = 200,
    45/25 = 45 × 8/25 × 8 = 360/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    12/40 = 12 × 5/40 × 5 = 60/200
  4. Add the two like fractions:
    360/200 + 60/200 = 360 + 60/200 = 420/200
  5. 420/200 simplified gives 21/10
  6. So, 45/25 + 12/40 = 21/10
    In mixed form: 21/10

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