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Add 21/56 and 15/16

21/56 + 15/16 is 21/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 16 is 112

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 56 × 2 = 112,
    21/56 = 21 × 2/56 × 2 = 42/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    15/16 = 15 × 7/16 × 7 = 105/112
  4. Add the two like fractions:
    42/112 + 105/112 = 42 + 105/112 = 147/112
  5. 147/112 simplified gives 21/16
  6. So, 21/56 + 15/16 = 21/16
    In mixed form: 15/16

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