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Add 8/7 and 20/80

1st number: 1 1/7, 2nd number: 20/80

8/7 + 20/80 is 39/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    8/7 = 8 × 80/7 × 80 = 640/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    20/80 = 20 × 7/80 × 7 = 140/560
  4. Add the two like fractions:
    640/560 + 140/560 = 640 + 140/560 = 780/560
  5. 780/560 simplified gives 39/28
  6. So, 8/7 + 20/80 = 39/28
    In mixed form: 111/28

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