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Add 4/40 and 21/75

4/40 + 21/75 is 19/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 75 is 600

    Next, find the equivalent fraction of both fractional numbers with denominator 600
  2. For the 1st fraction, since 40 × 15 = 600,
    4/40 = 4 × 15/40 × 15 = 60/600
  3. Likewise, for the 2nd fraction, since 75 × 8 = 600,
    21/75 = 21 × 8/75 × 8 = 168/600
  4. Add the two like fractions:
    60/600 + 168/600 = 60 + 168/600 = 228/600
  5. 228/600 simplified gives 19/50
  6. So, 4/40 + 21/75 = 19/50

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