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Add 20/7 and 25/80

1st number: 2 6/7, 2nd number: 25/80

20/7 + 25/80 is 355/112.

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,
    20/7 = 20 × 80/7 × 80 = 1600/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    25/80 = 25 × 7/80 × 7 = 175/560
  4. Add the two like fractions:
    1600/560 + 175/560 = 1600 + 175/560 = 1775/560
  5. 1775/560 simplified gives 355/112
  6. So, 20/7 + 25/80 = 355/112
    In mixed form: 319/112

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