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Add 42/4 and 28/40

1st number: 10 2/4, 2nd number: 28/40

42/4 + 28/40 is 56/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 4 × 10 = 40,
    42/4 = 42 × 10/4 × 10 = 420/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    28/40 = 28 × 1/40 × 1 = 28/40
  4. Add the two like fractions:
    420/40 + 28/40 = 420 + 28/40 = 448/40
  5. 448/40 simplified gives 56/5
  6. So, 42/4 + 28/40 = 56/5
    In mixed form: 111/5

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