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Add 50/30 and 1/21

1st number: 1 20/30, 2nd number: 1/21

50/30 + 1/21 is 12/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    50/30 = 50 × 7/30 × 7 = 350/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    1/21 = 1 × 10/21 × 10 = 10/210
  4. Add the two like fractions:
    350/210 + 10/210 = 350 + 10/210 = 360/210
  5. 360/210 simplified gives 12/7
  6. So, 50/30 + 1/21 = 12/7
    In mixed form: 15/7

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