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Add 72/7 and 42/30

1st number: 10 2/7, 2nd number: 1 12/30

72/7 + 42/30 is 409/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210
  2. For the 1st fraction, since 7 × 30 = 210,
    72/7 = 72 × 30/7 × 30 = 2160/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    42/30 = 42 × 7/30 × 7 = 294/210
  4. Add the two fractions:
    2160/210 + 294/210 = 2160 + 294/210 = 2454/210
  5. 2454/210 simplified gives 409/35
  6. So, 72/7 + 42/30 = 409/35
    In mixed form: 1124/35

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