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Add 10/48 and 21/90

10/48 + 21/90 is 53/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    10/48 = 10 × 15/48 × 15 = 150/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    21/90 = 21 × 8/90 × 8 = 168/720
  4. Add the two like fractions:
    150/720 + 168/720 = 150 + 168/720 = 318/720
  5. 318/720 simplified gives 53/120
  6. So, 10/48 + 21/90 = 53/120

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