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Add 90/4 and 84/7

1st number: 22 2/4, 2nd number: 12 0/7

90/4 + 84/7 is 69/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    90/4 = 90 × 7/4 × 7 = 630/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    84/7 = 84 × 4/7 × 4 = 336/28
  4. Add the two like fractions:
    630/28 + 336/28 = 630 + 336/28 = 966/28
  5. 966/28 simplified gives 69/2
  6. So, 90/4 + 84/7 = 69/2
    In mixed form: 341/2

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