Add 12/30 and 72/9
1st number: 12/30, 2nd number: 8 0/9
12/30 + 72/9 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
12/30 = 12 × 3/30 × 3 = 36/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
72/9 = 72 × 10/9 × 10 = 720/90 - Add the two like fractions:
36/90 + 720/90 = 36 + 720/90 = 756/90 - 756/90 simplified gives 42/5
- So, 12/30 + 72/9 = 42/5
In mixed form: 82/5
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