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Add 42/10 and 72/12

1st number: 4 2/10, 2nd number: 6 0/12

42/10 + 72/12 is 51/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 10 × 6 = 60,
    42/10 = 42 × 6/10 × 6 = 252/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    72/12 = 72 × 5/12 × 5 = 360/60
  4. Add the two like fractions:
    252/60 + 360/60 = 252 + 360/60 = 612/60
  5. 612/60 simplified gives 51/5
  6. So, 42/10 + 72/12 = 51/5
    In mixed form: 101/5

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