Add 12/8 and 18/9
1st number: 1 4/8, 2nd number: 2 0/9
12/8 + 18/9 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
18/9 = 18 × 8/9 × 8 = 144/72 - Add the two like fractions:
108/72 + 144/72 = 108 + 144/72 = 252/72 - 252/72 simplified gives 7/2
- So, 12/8 + 18/9 = 7/2
In mixed form: 31/2
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