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