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Add 21/6 and 54/7

1st number: 3 3/6, 2nd number: 7 5/7

21/6 + 54/7 is 157/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 7 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    21/6 = 21 × 7/6 × 7 = 147/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    54/7 = 54 × 6/7 × 6 = 324/42
  4. Add the two fractions:
    147/42 + 324/42 = 147 + 324/42 = 471/42
  5. 471/42 simplified gives 157/14
  6. So, 21/6 + 54/7 = 157/14
    In mixed form: 113/14

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