Add 72/12 and 9/70
1st number: 6 0/12, 2nd number: 9/70
72/12 + 9/70 is 429/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
72/12 = 72 × 35/12 × 35 = 2520/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
9/70 = 9 × 6/70 × 6 = 54/420 - Add the two like fractions:
2520/420 + 54/420 = 2520 + 54/420 = 2574/420 - 2574/420 simplified gives 429/70
- So, 72/12 + 9/70 = 429/70
In mixed form: 69/70
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