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Add 70/63 and 64/45

1st number: 1 7/63, 2nd number: 1 19/45

70/63 + 64/45 is 38/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    70/63 = 70 × 5/63 × 5 = 350/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    64/45 = 64 × 7/45 × 7 = 448/315
  4. Add the two like fractions:
    350/315 + 448/315 = 350 + 448/315 = 798/315
  5. 798/315 simplified gives 38/15
  6. So, 70/63 + 64/45 = 38/15
    In mixed form: 28/15

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