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Add 10/42 and 6/40

10/42 + 6/40 is 163/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 42 × 20 = 840,
    10/42 = 10 × 20/42 × 20 = 200/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    6/40 = 6 × 21/40 × 21 = 126/840
  4. Add the two like fractions:
    200/840 + 126/840 = 200 + 126/840 = 326/840
  5. 326/840 simplified gives 163/420
  6. So, 10/42 + 6/40 = 163/420

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