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Add 7/45 and 4/63

7/45 + 4/63 is 23/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 63 is 315
  2. For the 1st fraction, since 45 × 7 = 315,
    7/45 = 7 × 7/45 × 7 = 49/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    4/63 = 4 × 5/63 × 5 = 20/315
  4. Add the two fractions:
    49/315 + 20/315 = 49 + 20/315 = 69/315
  5. 69/315 simplified gives 23/105
  6. So, 7/45 + 4/63 = 23/105

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