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Add 27/16 and 21/45

1st number: 1 11/16, 2nd number: 21/45

27/16 + 21/45 is 517/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    27/16 = 27 × 45/16 × 45 = 1215/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    21/45 = 21 × 16/45 × 16 = 336/720
  4. Add the two like fractions:
    1215/720 + 336/720 = 1215 + 336/720 = 1551/720
  5. 1551/720 simplified gives 517/240
  6. So, 27/16 + 21/45 = 517/240
    In mixed form: 237/240

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