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Add 64/20 and 7/70

1st number: 3 4/20, 2nd number: 7/70

64/20 + 7/70 is 33/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    64/20 = 64 × 7/20 × 7 = 448/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    7/70 = 7 × 2/70 × 2 = 14/140
  4. Add the two like fractions:
    448/140 + 14/140 = 448 + 14/140 = 462/140
  5. 462/140 simplified gives 33/10
  6. So, 64/20 + 7/70 = 33/10
    In mixed form: 33/10

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