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Add 90/50 and 63/84

1st number: 1 40/50, 2nd number: 63/84

90/50 + 63/84 is 51/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 84 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 50 × 42 = 2100,
    90/50 = 90 × 42/50 × 42 = 3780/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    63/84 = 63 × 25/84 × 25 = 1575/2100
  4. Add the two like fractions:
    3780/2100 + 1575/2100 = 3780 + 1575/2100 = 5355/2100
  5. 5355/2100 simplified gives 51/20
  6. So, 90/50 + 63/84 = 51/20
    In mixed form: 211/20

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