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Add 72/7 and 42/10

1st number: 10 2/7, 2nd number: 4 2/10

72/7 + 42/10 is 507/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    72/7 = 72 × 10/7 × 10 = 720/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    42/10 = 42 × 7/10 × 7 = 294/70
  4. Add the two fractions:
    720/70 + 294/70 = 720 + 294/70 = 1014/70
  5. After reducing the fraction, the answer is 507/35
  6. In mixed form: 1417/35

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