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Add 72/56 and 9/20

1st number: 1 16/56, 2nd number: 9/20

72/56 + 9/20 is 243/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 20 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    72/56 = 72 × 5/56 × 5 = 360/280
  3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
    9/20 = 9 × 14/20 × 14 = 126/280
  4. Add the two like fractions:
    360/280 + 126/280 = 360 + 126/280 = 486/280
  5. 486/280 simplified gives 243/140
  6. So, 72/56 + 9/20 = 243/140
    In mixed form: 1103/140

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