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Add 63/70 and 70/40

1st number: 63/70, 2nd number: 1 30/40

63/70 + 70/40 is 53/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    63/70 = 63 × 4/70 × 4 = 252/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    70/40 = 70 × 7/40 × 7 = 490/280
  4. Add the two like fractions:
    252/280 + 490/280 = 252 + 490/280 = 742/280
  5. 742/280 simplified gives 53/20
  6. So, 63/70 + 70/40 = 53/20
    In mixed form: 213/20

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