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Add 42/28 and 21/16

1st number: 1 14/28, 2nd number: 1 5/16

42/28 + 21/16 is 45/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 16 is 112

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 28 × 4 = 112,
    42/28 = 42 × 4/28 × 4 = 168/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    21/16 = 21 × 7/16 × 7 = 147/112
  4. Add the two like fractions:
    168/112 + 147/112 = 168 + 147/112 = 315/112
  5. 315/112 simplified gives 45/16
  6. So, 42/28 + 21/16 = 45/16
    In mixed form: 213/16

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