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Add 9/60 and 90/63

1st number: 9/60, 2nd number: 1 27/63

9/60 + 90/63 is 221/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 63 is 1260
  2. For the 1st fraction, since 60 × 21 = 1260,
    9/60 = 9 × 21/60 × 21 = 189/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    90/63 = 90 × 20/63 × 20 = 1800/1260
  4. Add the two fractions:
    189/1260 + 1800/1260 = 189 + 1800/1260 = 1989/1260
  5. After reducing the fraction, the answer is 221/140
  6. In mixed form: 181/140

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