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Add 10/84 and 42/63

10/84 + 42/63 is 11/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 63 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    10/84 = 10 × 3/84 × 3 = 30/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    42/63 = 42 × 4/63 × 4 = 168/252
  4. Add the two fractions:
    30/252 + 168/252 = 30 + 168/252 = 198/252
  5. 198/252 simplified gives 11/14
  6. So, 10/84 + 42/63 = 11/14

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