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Add 63/20 and 54/70

1st number: 3 3/20, 2nd number: 54/70

63/20 + 54/70 is 549/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    63/20 = 63 × 7/20 × 7 = 441/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    54/70 = 54 × 2/70 × 2 = 108/140
  4. Add the two fractions:
    441/140 + 108/140 = 441 + 108/140 = 549/140
  5. In mixed form: 3129/140

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