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Add 21/54 and 25/7

1st number: 21/54, 2nd number: 3 4/7

21/54 + 25/7 is 499/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 7 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    21/54 = 21 × 7/54 × 7 = 147/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    25/7 = 25 × 54/7 × 54 = 1350/378
  4. Add the two like fractions:
    147/378 + 1350/378 = 147 + 1350/378 = 1497/378
  5. 1497/378 simplified gives 499/126
  6. So, 21/54 + 25/7 = 499/126
    In mixed form: 3121/126

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