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Add 1/90 and 60/63

1/90 + 60/63 is 607/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 63 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    60/63 = 60 × 10/63 × 10 = 600/630
  4. Add the two fractions:
    7/630 + 600/630 = 7 + 600/630 = 607/630

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