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Add 21/90 and 35/7

1st number: 21/90, 2nd number: 5 0/7

21/90 + 35/7 is 157/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 7 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    21/90 = 21 × 7/90 × 7 = 147/630
  3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
    35/7 = 35 × 90/7 × 90 = 3150/630
  4. Add the two like fractions:
    147/630 + 3150/630 = 147 + 3150/630 = 3297/630
  5. 3297/630 simplified gives 157/30
  6. So, 21/90 + 35/7 = 157/30
    In mixed form: 57/30

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