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Add 90/2 and 21/30

1st number: 45 0/2, 2nd number: 21/30

90/2 + 21/30 is 457/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 2 × 15 = 30,
    90/2 = 90 × 15/2 × 15 = 1350/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    21/30 = 21 × 1/30 × 1 = 21/30
  4. Add the two like fractions:
    1350/30 + 21/30 = 1350 + 21/30 = 1371/30
  5. 1371/30 simplified gives 457/10
  6. So, 90/2 + 21/30 = 457/10
    In mixed form: 457/10

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