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Add 42/28 and 9/15

1st number: 1 14/28, 2nd number: 9/15

42/28 + 9/15 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    42/28 = 42 × 15/28 × 15 = 630/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    9/15 = 9 × 28/15 × 28 = 252/420
  4. Add the two like fractions:
    630/420 + 252/420 = 630 + 252/420 = 882/420
  5. 882/420 simplified gives 21/10
  6. So, 42/28 + 9/15 = 21/10
    In mixed form: 21/10

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