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Add 90/20 and 84/60

1st number: 4 10/20, 2nd number: 1 24/60

90/20 + 84/60 is 59/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 60 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    90/20 = 90 × 3/20 × 3 = 270/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    84/60 = 84 × 1/60 × 1 = 84/60
  4. Add the two fractions:
    270/60 + 84/60 = 270 + 84/60 = 354/60
  5. 354/60 simplified gives 59/10
  6. So, 90/20 + 84/60 = 59/10
    In mixed form: 59/10

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