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Add 21/45 and 10/7

1st number: 21/45, 2nd number: 1 3/7

21/45 + 10/7 is 199/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    21/45 = 21 × 7/45 × 7 = 147/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    10/7 = 10 × 45/7 × 45 = 450/315
  4. Add the two like fractions:
    147/315 + 450/315 = 147 + 450/315 = 597/315
  5. 597/315 simplified gives 199/105
  6. So, 21/45 + 10/7 = 199/105
    In mixed form: 194/105

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