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Add 54/21 and 2/20

1st number: 2 12/21, 2nd number: 2/20

54/21 + 2/20 is 187/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 20 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    54/21 = 54 × 20/21 × 20 = 1080/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    2/20 = 2 × 21/20 × 21 = 42/420
  4. Add the two fractions:
    1080/420 + 42/420 = 1080 + 42/420 = 1122/420
  5. 1122/420 simplified gives 187/70
  6. So, 54/21 + 2/20 = 187/70
    In mixed form: 247/70

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