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Add 21/32 and 28/70

21/32 + 28/70 is 169/160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 70 is 1120

    Next, find the equivalent fraction of both fractional numbers with denominator 1120
  2. For the 1st fraction, since 32 × 35 = 1120,
    21/32 = 21 × 35/32 × 35 = 735/1120
  3. Likewise, for the 2nd fraction, since 70 × 16 = 1120,
    28/70 = 28 × 16/70 × 16 = 448/1120
  4. Add the two like fractions:
    735/1120 + 448/1120 = 735 + 448/1120 = 1183/1120
  5. 1183/1120 simplified gives 169/160
  6. So, 21/32 + 28/70 = 169/160
    In mixed form: 19/160

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