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Add 70/40 and 21/32

1st number: 1 30/40, 2nd number: 21/32

70/40 + 21/32 is 77/32.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 32 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 40 × 4 = 160,
    70/40 = 70 × 4/40 × 4 = 280/160
  3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
    21/32 = 21 × 5/32 × 5 = 105/160
  4. Add the two like fractions:
    280/160 + 105/160 = 280 + 105/160 = 385/160
  5. 385/160 simplified gives 77/32
  6. So, 70/40 + 21/32 = 77/32
    In mixed form: 213/32

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