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Add 60/21 and 42/30

1st number: 2 18/21, 2nd number: 1 12/30

60/21 + 42/30 is 149/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    60/21 = 60 × 10/21 × 10 = 600/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    42/30 = 42 × 7/30 × 7 = 294/210
  4. Add the two fractions:
    600/210 + 294/210 = 600 + 294/210 = 894/210
  5. 894/210 simplified gives 149/35
  6. So, 60/21 + 42/30 = 149/35
    In mixed form: 49/35

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