Add 18/12 and 90/8
1st number: 1 6/12, 2nd number: 11 2/8
18/12 + 90/8 is 51/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
18/12 = 18 × 2/12 × 2 = 36/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
90/8 = 90 × 3/8 × 3 = 270/24 - Add the two like fractions:
36/24 + 270/24 = 36 + 270/24 = 306/24 - 306/24 simplified gives 51/4
- So, 18/12 + 90/8 = 51/4
In mixed form: 123/4
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