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Add 20/16 and 9/7

1st number: 1 4/16, 2nd number: 1 2/7

20/16 + 9/7 is 71/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 7 is 112

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 16 × 7 = 112,
    20/16 = 20 × 7/16 × 7 = 140/112
  3. Likewise, for the 2nd fraction, since 7 × 16 = 112,
    9/7 = 9 × 16/7 × 16 = 144/112
  4. Add the two like fractions:
    140/112 + 144/112 = 140 + 144/112 = 284/112
  5. 284/112 simplified gives 71/28
  6. So, 20/16 + 9/7 = 71/28
    In mixed form: 215/28

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