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Add 28/42 and 98/80

1st number: 28/42, 2nd number: 1 18/80

28/42 + 98/80 is 227/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 80 is 1680
  2. For the 1st fraction, since 42 × 40 = 1680,
    28/42 = 28 × 40/42 × 40 = 1120/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    98/80 = 98 × 21/80 × 21 = 2058/1680
  4. Add the two fractions:
    1120/1680 + 2058/1680 = 1120 + 2058/1680 = 3178/1680
  5. 3178/1680 simplified gives 227/120
  6. So, 28/42 + 98/80 = 227/120
    In mixed form: 1107/120

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