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Add 90/48 and 21/4

1st number: 1 42/48, 2nd number: 5 1/4

90/48 + 21/4 is 57/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 4 is 48

    Next, find the equivalent fraction of both fractional numbers with denominator 48
  2. For the 1st fraction, since 48 × 1 = 48,
    90/48 = 90 × 1/48 × 1 = 90/48
  3. Likewise, for the 2nd fraction, since 4 × 12 = 48,
    21/4 = 21 × 12/4 × 12 = 252/48
  4. Add the two like fractions:
    90/48 + 252/48 = 90 + 252/48 = 342/48
  5. 342/48 simplified gives 57/8
  6. So, 90/48 + 21/4 = 57/8
    In mixed form: 71/8

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