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Add 72/56 and 12/90

1st number: 1 16/56, 2nd number: 12/90

72/56 + 12/90 is 149/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    72/56 = 72 × 45/56 × 45 = 3240/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    12/90 = 12 × 28/90 × 28 = 336/2520
  4. Add the two fractions:
    3240/2520 + 336/2520 = 3240 + 336/2520 = 3576/2520
  5. 3576/2520 simplified gives 149/105
  6. So, 72/56 + 12/90 = 149/105
    In mixed form: 144/105

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