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Add 28/5 and 90/84

1st number: 5 3/5, 2nd number: 1 6/84

28/5 + 90/84 is 467/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420
  2. For the 1st fraction, since 5 × 84 = 420,
    28/5 = 28 × 84/5 × 84 = 2352/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    90/84 = 90 × 5/84 × 5 = 450/420
  4. Add the two fractions:
    2352/420 + 450/420 = 2352 + 450/420 = 2802/420
  5. After reducing the fraction, the answer is 467/70
  6. In mixed form: 647/70

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