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Add 28/40 and 42/10

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

28/40 + 42/10 is 49/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 10 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    28/40 = 28 × 1/40 × 1 = 28/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    42/10 = 42 × 4/10 × 4 = 168/40
  4. Add the two like fractions:
    28/40 + 168/40 = 28 + 168/40 = 196/40
  5. 196/40 simplified gives 49/10
  6. So, 28/40 + 42/10 = 49/10
    In mixed form: 49/10

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