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Add 12/72 and 63/4

1st number: 12/72, 2nd number: 15 3/4

12/72 + 63/4 is 191/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 4 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    12/72 = 12 × 1/72 × 1 = 12/72
  3. Likewise, for the 2nd fraction, since 4 × 18 = 72,
    63/4 = 63 × 18/4 × 18 = 1134/72
  4. Add the two like fractions:
    12/72 + 1134/72 = 12 + 1134/72 = 1146/72
  5. 1146/72 simplified gives 191/12
  6. So, 12/72 + 63/4 = 191/12
    In mixed form: 1511/12

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