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Add 70/15 and 15/63

1st number: 4 10/15, 2nd number: 15/63

70/15 + 15/63 is 103/21.

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,
    70/15 = 70 × 21/15 × 21 = 1470/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    15/63 = 15 × 5/63 × 5 = 75/315
  4. Add the two like fractions:
    1470/315 + 75/315 = 1470 + 75/315 = 1545/315
  5. 1545/315 simplified gives 103/21
  6. So, 70/15 + 15/63 = 103/21
    In mixed form: 419/21

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