Add 30/70 and 14/12
1st number: 30/70, 2nd number: 1 2/12
30/70 + 14/12 is 67/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
30/70 = 30 × 6/70 × 6 = 180/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
14/12 = 14 × 35/12 × 35 = 490/420 - Add the two like fractions:
180/420 + 490/420 = 180 + 490/420 = 670/420 - 670/420 simplified gives 67/42
- So, 30/70 + 14/12 = 67/42
In mixed form: 125/42
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