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Add 9/10 and 20/28

9/10 + 20/28 is 113/70.

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,
    9/10 = 9 × 14/10 × 14 = 126/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    20/28 = 20 × 5/28 × 5 = 100/140
  4. Add the two like fractions:
    126/140 + 100/140 = 126 + 100/140 = 226/140
  5. 226/140 simplified gives 113/70
  6. So, 9/10 + 20/28 = 113/70
    In mixed form: 143/70

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