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Add 90/20 and 20/63

1st number: 4 10/20, 2nd number: 20/63

90/20 + 20/63 is 607/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    90/20 = 90 × 63/20 × 63 = 5670/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    20/63 = 20 × 20/63 × 20 = 400/1260
  4. Add the two fractions:
    5670/1260 + 400/1260 = 5670 + 400/1260 = 6070/1260
  5. 6070/1260 simplified gives 607/126
  6. So, 90/20 + 20/63 = 607/126
    In mixed form: 4103/126

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