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Add 90/10 and 20/28

1st number: 9 0/10, 2nd number: 20/28

90/10 + 20/28 is 68/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 10 × 14 = 140,
    90/10 = 90 × 14/10 × 14 = 1260/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    20/28 = 20 × 5/28 × 5 = 100/140
  4. Add the two like fractions:
    1260/140 + 100/140 = 1260 + 100/140 = 1360/140
  5. 1360/140 simplified gives 68/7
  6. So, 90/10 + 20/28 = 68/7
    In mixed form: 95/7

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