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Add 20/18 and 63/90

1st number: 1 2/18, 2nd number: 63/90

20/18 + 63/90 is 163/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    20/18 = 20 × 5/18 × 5 = 100/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    63/90 = 63 × 1/90 × 1 = 63/90
  4. Add the two fractions:
    100/90 + 63/90 = 100 + 63/90 = 163/90
  5. So, 20/18 + 63/90 = 163/90
    In mixed form: 173/90

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