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Add 21/27 and 42/10

1st number: 21/27, 2nd number: 4 2/10

21/27 + 42/10 is 224/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 10 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 27 × 10 = 270,
    21/27 = 21 × 10/27 × 10 = 210/270
  3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
    42/10 = 42 × 27/10 × 27 = 1134/270
  4. Add the two like fractions:
    210/270 + 1134/270 = 210 + 1134/270 = 1344/270
  5. 1344/270 simplified gives 224/45
  6. So, 21/27 + 42/10 = 224/45
    In mixed form: 444/45

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