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Add 72/15 and 7/63

1st number: 4 12/15, 2nd number: 7/63

72/15 + 7/63 is 221/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    72/15 = 72 × 21/15 × 21 = 1512/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    7/63 = 7 × 5/63 × 5 = 35/315
  4. Add the two like fractions:
    1512/315 + 35/315 = 1512 + 35/315 = 1547/315
  5. 1547/315 simplified gives 221/45
  6. So, 72/15 + 7/63 = 221/45
    In mixed form: 441/45

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