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Add 1/2 and 42/40

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

1/2 + 42/40 is 31/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 2 × 20 = 40,
    1/2 = 1 × 20/2 × 20 = 20/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    42/40 = 42 × 1/40 × 1 = 42/40
  4. Add the two like fractions:
    20/40 + 42/40 = 20 + 42/40 = 62/40
  5. 62/40 simplified gives 31/20
  6. So, 1/2 + 42/40 = 31/20
    In mixed form: 111/20

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