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Add 21/54 and 30/8

1st number: 21/54, 2nd number: 3 6/8

21/54 + 30/8 is 149/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 8 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 54 × 4 = 216,
    21/54 = 21 × 4/54 × 4 = 84/216
  3. Likewise, for the 2nd fraction, since 8 × 27 = 216,
    30/8 = 30 × 27/8 × 27 = 810/216
  4. Add the two like fractions:
    84/216 + 810/216 = 84 + 810/216 = 894/216
  5. 894/216 simplified gives 149/36
  6. So, 21/54 + 30/8 = 149/36
    In mixed form: 45/36

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