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Add 12/32 and 42/40

1st number: 12/32, 2nd number: 1 2/40

12/32 + 42/40 is 57/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 40 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    12/32 = 12 × 5/32 × 5 = 60/160
  3. Likewise, for the 2nd fraction, since 40 × 4 = 160,
    42/40 = 42 × 4/40 × 4 = 168/160
  4. Add the two like fractions:
    60/160 + 168/160 = 60 + 168/160 = 228/160
  5. 228/160 simplified gives 57/40
  6. So, 12/32 + 42/40 = 57/40
    In mixed form: 117/40

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