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Add 21/10 and 56/63

1st number: 2 1/10, 2nd number: 56/63

21/10 + 56/63 is 269/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 10 × 63 = 630,
    21/10 = 21 × 63/10 × 63 = 1323/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    56/63 = 56 × 10/63 × 10 = 560/630
  4. Add the two like fractions:
    1323/630 + 560/630 = 1323 + 560/630 = 1883/630
  5. 1883/630 simplified gives 269/90
  6. So, 21/10 + 56/63 = 269/90
    In mixed form: 289/90

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