Add 72/8 and 18/12
1st number: 9 0/8, 2nd number: 1 6/12
72/8 + 18/12 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
72/8 = 72 × 3/8 × 3 = 216/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
18/12 = 18 × 2/12 × 2 = 36/24 - Add the two like fractions:
216/24 + 36/24 = 216 + 36/24 = 252/24 - 252/24 simplified gives 21/2
- So, 72/8 + 18/12 = 21/2
In mixed form: 101/2
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