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Add 42/4 and 3/15

1st number: 10 2/4, 2nd number: 3/15

42/4 + 3/15 is 107/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    42/4 = 42 × 15/4 × 15 = 630/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    3/15 = 3 × 4/15 × 4 = 12/60
  4. Add the two like fractions:
    630/60 + 12/60 = 630 + 12/60 = 642/60
  5. 642/60 simplified gives 107/10
  6. So, 42/4 + 3/15 = 107/10
    In mixed form: 107/10

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