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Add 21/48 and 30/45

21/48 + 30/45 is 53/48.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    21/48 = 21 × 15/48 × 15 = 315/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    30/45 = 30 × 16/45 × 16 = 480/720
  4. Add the two like fractions:
    315/720 + 480/720 = 315 + 480/720 = 795/720
  5. 795/720 simplified gives 53/48
  6. So, 21/48 + 30/45 = 53/48
    In mixed form: 15/48

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