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Add 72/32 and 42/20

1st number: 2 8/32, 2nd number: 2 2/20

72/32 + 42/20 is 87/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 20 is 160
  2. For the 1st fraction, since 32 × 5 = 160,
    72/32 = 72 × 5/32 × 5 = 360/160
  3. Likewise, for the 2nd fraction, since 20 × 8 = 160,
    42/20 = 42 × 8/20 × 8 = 336/160
  4. Add the two fractions:
    360/160 + 336/160 = 360 + 336/160 = 696/160
  5. 696/160 simplified gives 87/20
  6. So, 72/32 + 42/20 = 87/20
    In mixed form: 47/20

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