Add 21/24 and 90/12
1st number: 21/24, 2nd number: 7 6/12
21/24 + 90/12 is 67/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
90/12 = 90 × 2/12 × 2 = 180/24 - Add the two like fractions:
21/24 + 180/24 = 21 + 180/24 = 201/24 - 201/24 simplified gives 67/8
- So, 21/24 + 90/12 = 67/8
In mixed form: 83/8
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