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Add 18/70 and 2/80

18/70 + 2/80 is 79/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    18/70 = 18 × 8/70 × 8 = 144/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    2/80 = 2 × 7/80 × 7 = 14/560
  4. Add the two like fractions:
    144/560 + 14/560 = 144 + 14/560 = 158/560
  5. 158/560 simplified gives 79/280
  6. So, 18/70 + 2/80 = 79/280

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