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Add 45/16 and 20/90

1st number: 2 13/16, 2nd number: 20/90

45/16 + 20/90 is 437/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    45/16 = 45 × 45/16 × 45 = 2025/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    20/90 = 20 × 8/90 × 8 = 160/720
  4. Add the two like fractions:
    2025/720 + 160/720 = 2025 + 160/720 = 2185/720
  5. 2185/720 simplified gives 437/144
  6. So, 45/16 + 20/90 = 437/144
    In mixed form: 35/144

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