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Add 63/84 and 42/35

1st number: 63/84, 2nd number: 1 7/35

63/84 + 42/35 is 39/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 35 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    63/84 = 63 × 5/84 × 5 = 315/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    42/35 = 42 × 12/35 × 12 = 504/420
  4. Add the two fractions:
    315/420 + 504/420 = 315 + 504/420 = 819/420
  5. 819/420 simplified gives 39/20
  6. So, 63/84 + 42/35 = 39/20
    In mixed form: 119/20

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