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Add 24/42 and 7/80

24/42 + 7/80 is 369/560.

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,
    24/42 = 24 × 40/42 × 40 = 960/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    7/80 = 7 × 21/80 × 21 = 147/1680
  4. Add the two fractions:
    960/1680 + 147/1680 = 960 + 147/1680 = 1107/1680
  5. 1107/1680 simplified gives 369/560
  6. So, 24/42 + 7/80 = 369/560

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