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Add 90/20 and 1/4

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

90/20 + 1/4 is 19/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 4 is 20
  2. For the 1st fraction, since 20 × 1 = 20,
    90/20 = 90 × 1/20 × 1 = 90/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    1/4 = 1 × 5/4 × 5 = 5/20
  4. Add the two fractions:
    90/20 + 5/20 = 90 + 5/20 = 95/20
  5. After reducing the fraction, the answer is 19/4
  6. In mixed form: 43/4

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