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Add 48/28 and 21/30

1st number: 1 20/28, 2nd number: 21/30

48/28 + 21/30 is 169/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    48/28 = 48 × 15/28 × 15 = 720/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    21/30 = 21 × 14/30 × 14 = 294/420
  4. Add the two like fractions:
    720/420 + 294/420 = 720 + 294/420 = 1014/420
  5. 1014/420 simplified gives 169/70
  6. So, 48/28 + 21/30 = 169/70
    In mixed form: 229/70

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