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Add 15/63 and 27/56

15/63 + 27/56 is 121/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 56 is 504
  2. For the 1st fraction, since 63 × 8 = 504,
    15/63 = 15 × 8/63 × 8 = 120/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    27/56 = 27 × 9/56 × 9 = 243/504
  4. Add the two fractions:
    120/504 + 243/504 = 120 + 243/504 = 363/504
  5. 363/504 simplified gives 121/168
  6. So, 15/63 + 27/56 = 121/168

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