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Add 45/42 and 12/40

1st number: 1 3/42, 2nd number: 12/40

45/42 + 12/40 is 48/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 42 × 20 = 840,
    45/42 = 45 × 20/42 × 20 = 900/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    12/40 = 12 × 21/40 × 21 = 252/840
  4. Add the two like fractions:
    900/840 + 252/840 = 900 + 252/840 = 1152/840
  5. 1152/840 simplified gives 48/35
  6. So, 45/42 + 12/40 = 48/35
    In mixed form: 113/35

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