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Add 30/48 and 21/45

30/48 + 21/45 is 131/120.

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,
    30/48 = 30 × 15/48 × 15 = 450/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    21/45 = 21 × 16/45 × 16 = 336/720
  4. Add the two like fractions:
    450/720 + 336/720 = 450 + 336/720 = 786/720
  5. 786/720 simplified gives 131/120
  6. So, 30/48 + 21/45 = 131/120
    In mixed form: 111/120

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