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Add 45/6 and 80/21

1st number: 7 3/6, 2nd number: 3 17/21

45/6 + 80/21 is 475/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    45/6 = 45 × 7/6 × 7 = 315/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    80/21 = 80 × 2/21 × 2 = 160/42
  4. Add the two fractions:
    315/42 + 160/42 = 315 + 160/42 = 475/42
  5. So, 45/6 + 80/21 = 475/42
    In mixed form: 1113/42

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