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Add 30/50 and 20/42

30/50 + 20/42 is 113/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    30/50 = 30 × 21/50 × 21 = 630/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    20/42 = 20 × 25/42 × 25 = 500/1050
  4. Add the two like fractions:
    630/1050 + 500/1050 = 630 + 500/1050 = 1130/1050
  5. 1130/1050 simplified gives 113/105
  6. So, 30/50 + 20/42 = 113/105
    In mixed form: 18/105

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