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Add 21/16 and 8/15

1st number: 1 5/16, 2nd number: 8/15

21/16 + 8/15 is 443/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 16 × 15 = 240,
    21/16 = 21 × 15/16 × 15 = 315/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    8/15 = 8 × 16/15 × 16 = 128/240
  4. Add the two like fractions:
    315/240 + 128/240 = 315 + 128/240 = 443/240
  5. So, 21/16 + 8/15 = 443/240
    In mixed form: 1203/240

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