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Add 7/70 and 63/20

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

7/70 + 63/20 is 13/4.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    7/70 = 7 × 2/70 × 2 = 14/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    63/20 = 63 × 7/20 × 7 = 441/140
  4. Add the two like fractions:
    14/140 + 441/140 = 14 + 441/140 = 455/140
  5. 455/140 simplified gives 13/4
  6. So, 7/70 + 63/20 = 13/4
    In mixed form: 31/4

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