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Add 21/5 and 12/54

1st number: 4 1/5, 2nd number: 12/54

21/5 + 12/54 is 199/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 5 × 54 = 270,
    21/5 = 21 × 54/5 × 54 = 1134/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    12/54 = 12 × 5/54 × 5 = 60/270
  4. Add the two like fractions:
    1134/270 + 60/270 = 1134 + 60/270 = 1194/270
  5. 1194/270 simplified gives 199/45
  6. So, 21/5 + 12/54 = 199/45
    In mixed form: 419/45

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