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Add 72/7 and 12/40

1st number: 10 2/7, 2nd number: 12/40

72/7 + 12/40 is 741/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    72/7 = 72 × 40/7 × 40 = 2880/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    12/40 = 12 × 7/40 × 7 = 84/280
  4. Add the two like fractions:
    2880/280 + 84/280 = 2880 + 84/280 = 2964/280
  5. 2964/280 simplified gives 741/70
  6. So, 72/7 + 12/40 = 741/70
    In mixed form: 1041/70

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