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Add 63/56 and 20/18

1st number: 1 7/56, 2nd number: 1 2/18

63/56 + 20/18 is 161/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 18 is 504
  2. For the 1st fraction, since 56 × 9 = 504,
    63/56 = 63 × 9/56 × 9 = 567/504
  3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
    20/18 = 20 × 28/18 × 28 = 560/504
  4. Add the two fractions:
    567/504 + 560/504 = 567 + 560/504 = 1127/504
  5. 1127/504 simplified gives 161/72
  6. So, 63/56 + 20/18 = 161/72
    In mixed form: 217/72

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