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Add 42/72 and 15/10

1st number: 42/72, 2nd number: 1 5/10

42/72 + 15/10 is 25/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    42/72 = 42 × 5/72 × 5 = 210/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    15/10 = 15 × 36/10 × 36 = 540/360
  4. Add the two like fractions:
    210/360 + 540/360 = 210 + 540/360 = 750/360
  5. 750/360 simplified gives 25/12
  6. So, 42/72 + 15/10 = 25/12
    In mixed form: 21/12

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