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Add 90/20 and 24/32

1st number: 4 10/20, 2nd number: 24/32

90/20 + 24/32 is 21/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 32 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 20 × 8 = 160,
    90/20 = 90 × 8/20 × 8 = 720/160
  3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
    24/32 = 24 × 5/32 × 5 = 120/160
  4. Add the two like fractions:
    720/160 + 120/160 = 720 + 120/160 = 840/160
  5. 840/160 simplified gives 21/4
  6. So, 90/20 + 24/32 = 21/4
    In mixed form: 51/4

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