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Add 70/12 and 21/54

1st number: 5 10/12, 2nd number: 21/54

70/12 + 21/54 is 56/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 54 is 108
  2. For the 1st fraction, since 12 × 9 = 108,
    70/12 = 70 × 9/12 × 9 = 630/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    21/54 = 21 × 2/54 × 2 = 42/108
  4. Add the two fractions:
    630/108 + 42/108 = 630 + 42/108 = 672/108
  5. 672/108 simplified gives 56/9
  6. So, 70/12 + 21/54 = 56/9
    In mixed form: 62/9

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