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Add 63/21 and 2/80

1st number: 3 0/21, 2nd number: 2/80

63/21 + 2/80 is 121/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 80 is 1680
  2. For the 1st fraction, since 21 × 80 = 1680,
    63/21 = 63 × 80/21 × 80 = 5040/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    2/80 = 2 × 21/80 × 21 = 42/1680
  4. Add the two fractions:
    5040/1680 + 42/1680 = 5040 + 42/1680 = 5082/1680
  5. After reducing the fraction, the answer is 121/40
  6. In mixed form: 31/40

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