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Add 21/30 and 63/16

1st number: 21/30, 2nd number: 3 15/16

21/30 + 63/16 is 371/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 16 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 30 × 8 = 240,
    21/30 = 21 × 8/30 × 8 = 168/240
  3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
    63/16 = 63 × 15/16 × 15 = 945/240
  4. Add the two like fractions:
    168/240 + 945/240 = 168 + 945/240 = 1113/240
  5. 1113/240 simplified gives 371/80
  6. So, 21/30 + 63/16 = 371/80
    In mixed form: 451/80

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