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Add 90/4 and 28/10

1st number: 22 2/4, 2nd number: 2 8/10

90/4 + 28/10 is 253/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    90/4 = 90 × 5/4 × 5 = 450/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    28/10 = 28 × 2/10 × 2 = 56/20
  4. Add the two like fractions:
    450/20 + 56/20 = 450 + 56/20 = 506/20
  5. 506/20 simplified gives 253/10
  6. So, 90/4 + 28/10 = 253/10
    In mixed form: 253/10

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