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Add 21/4 and 10/40

1st number: 5 1/4, 2nd number: 10/40

21/4 + 10/40 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 4 × 10 = 40,
    21/4 = 21 × 10/4 × 10 = 210/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    10/40 = 10 × 1/40 × 1 = 10/40
  4. Add the two like fractions:
    210/40 + 10/40 = 210 + 10/40 = 220/40
  5. 220/40 simplified gives 11/2
  6. So, 21/4 + 10/40 = 11/2
    In mixed form: 51/2

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