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Add 72/10 and 1/42

1st number: 7 2/10, 2nd number: 1/42

72/10 + 1/42 is 1517/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    72/10 = 72 × 21/10 × 21 = 1512/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    1/42 = 1 × 5/42 × 5 = 5/210
  4. Add the two fractions:
    1512/210 + 5/210 = 1512 + 5/210 = 1517/210
  5. So, 72/10 + 1/42 = 1517/210
    In mixed form: 747/210

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