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Add 21/5 and 18/56

1st number: 4 1/5, 2nd number: 18/56

21/5 + 18/56 is 633/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 5 × 56 = 280,
    21/5 = 21 × 56/5 × 56 = 1176/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    18/56 = 18 × 5/56 × 5 = 90/280
  4. Add the two like fractions:
    1176/280 + 90/280 = 1176 + 90/280 = 1266/280
  5. 1266/280 simplified gives 633/140
  6. So, 21/5 + 18/56 = 633/140
    In mixed form: 473/140

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