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Add 21/54 and 63/8

1st number: 21/54, 2nd number: 7 7/8

21/54 + 63/8 is 595/72.

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,
    63/8 = 63 × 27/8 × 27 = 1701/216
  4. Add the two like fractions:
    84/216 + 1701/216 = 84 + 1701/216 = 1785/216
  5. 1785/216 simplified gives 595/72
  6. So, 21/54 + 63/8 = 595/72
    In mixed form: 819/72

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