Add 20/12 and 90/8
1st number: 1 8/12, 2nd number: 11 2/8
20/12 + 90/8 is 155/12.
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,
20/12 = 20 × 2/12 × 2 = 40/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
90/8 = 90 × 3/8 × 3 = 270/24 - Add the two like fractions:
40/24 + 270/24 = 40 + 270/24 = 310/24 - 310/24 simplified gives 155/12
- So, 20/12 + 90/8 = 155/12
In mixed form: 1211/12
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