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Add 15/70 and 42/10

1st number: 15/70, 2nd number: 4 2/10

15/70 + 42/10 is 309/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 10 is 70
  2. For the 1st fraction, since 70 × 1 = 70,
    15/70 = 15 × 1/70 × 1 = 15/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    42/10 = 42 × 7/10 × 7 = 294/70
  4. Add the two fractions:
    15/70 + 294/70 = 15 + 294/70 = 309/70
  5. In mixed form: 429/70

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