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Add 63/56 and 60/40

1st number: 1 7/56, 2nd number: 1 20/40

63/56 + 60/40 is 21/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    63/56 = 63 × 5/56 × 5 = 315/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    60/40 = 60 × 7/40 × 7 = 420/280
  4. Add the two like fractions:
    315/280 + 420/280 = 315 + 420/280 = 735/280
  5. 735/280 simplified gives 21/8
  6. So, 63/56 + 60/40 = 21/8
    In mixed form: 25/8

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