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Add 42/30 and 1/21

1st number: 1 12/30, 2nd number: 1/21

42/30 + 1/21 is 152/105.

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,
    42/30 = 42 × 7/30 × 7 = 294/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    1/21 = 1 × 10/21 × 10 = 10/210
  4. Add the two like fractions:
    294/210 + 10/210 = 294 + 10/210 = 304/210
  5. 304/210 simplified gives 152/105
  6. So, 42/30 + 1/21 = 152/105
    In mixed form: 147/105

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