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Add 21/15 and 18/32

1st number: 1 6/15, 2nd number: 18/32

21/15 + 18/32 is 157/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 32 is 480

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 15 × 32 = 480,
    21/15 = 21 × 32/15 × 32 = 672/480
  3. Likewise, for the 2nd fraction, since 32 × 15 = 480,
    18/32 = 18 × 15/32 × 15 = 270/480
  4. Add the two like fractions:
    672/480 + 270/480 = 672 + 270/480 = 942/480
  5. 942/480 simplified gives 157/80
  6. So, 21/15 + 18/32 = 157/80
    In mixed form: 177/80

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