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Add 48/12 and 2/21

1st number: 4 0/12, 2nd number: 2/21

48/12 + 2/21 is 86/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 21 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    48/12 = 48 × 7/12 × 7 = 336/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  4. Add the two fractions:
    336/84 + 8/84 = 336 + 8/84 = 344/84
  5. 344/84 simplified gives 86/21
  6. So, 48/12 + 2/21 = 86/21
    In mixed form: 42/21

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