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Add 90/63 and 20/30

1st number: 1 27/63, 2nd number: 20/30

90/63 + 20/30 is 44/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 30 is 630
  2. For the 1st fraction, since 63 × 10 = 630,
    90/63 = 90 × 10/63 × 10 = 900/630
  3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
    20/30 = 20 × 21/30 × 21 = 420/630
  4. Add the two fractions:
    900/630 + 420/630 = 900 + 420/630 = 1320/630
  5. 1320/630 simplified gives 44/21
  6. So, 90/63 + 20/30 = 44/21
    In mixed form: 22/21

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