Add 18/8 and 90/12
1st number: 2 2/8, 2nd number: 7 6/12
18/8 + 90/12 is 39/4.
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,
18/8 = 18 × 3/8 × 3 = 54/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
90/12 = 90 × 2/12 × 2 = 180/24 - Add the two like fractions:
54/24 + 180/24 = 54 + 180/24 = 234/24 - 234/24 simplified gives 39/4
- So, 18/8 + 90/12 = 39/4
In mixed form: 93/4
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