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Add 90/80 and 20/7

1st number: 1 10/80, 2nd number: 2 6/7

90/80 + 20/7 is 223/56.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    90/80 = 90 × 7/80 × 7 = 630/560
  3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
    20/7 = 20 × 80/7 × 80 = 1600/560
  4. Add the two like fractions:
    630/560 + 1600/560 = 630 + 1600/560 = 2230/560
  5. 2230/560 simplified gives 223/56
  6. So, 90/80 + 20/7 = 223/56
    In mixed form: 355/56

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