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Add 90/21 and 60/63

1st number: 4 6/21, 2nd number: 60/63

90/21 + 60/63 is 110/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 63 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    90/21 = 90 × 3/21 × 3 = 270/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    60/63 = 60 × 1/63 × 1 = 60/63
  4. Add the two fractions:
    270/63 + 60/63 = 270 + 60/63 = 330/63
  5. 330/63 simplified gives 110/21
  6. So, 90/21 + 60/63 = 110/21
    In mixed form: 55/21

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