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Add 10/25 and 7/42

10/25 + 7/42 is 17/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    10/25 = 10 × 42/25 × 42 = 420/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    7/42 = 7 × 25/42 × 25 = 175/1050
  4. Add the two like fractions:
    420/1050 + 175/1050 = 420 + 175/1050 = 595/1050
  5. 595/1050 simplified gives 17/30
  6. So, 10/25 + 7/42 = 17/30

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