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Add 45/4 and 20/90

1st number: 11 1/4, 2nd number: 20/90

45/4 + 20/90 is 413/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    45/4 = 45 × 45/4 × 45 = 2025/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    20/90 = 20 × 2/90 × 2 = 40/180
  4. Add the two fractions:
    2025/180 + 40/180 = 2025 + 40/180 = 2065/180
  5. 2065/180 simplified gives 413/36
  6. So, 45/4 + 20/90 = 413/36
    In mixed form: 1117/36

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