Add 90/3 and 21/8
1st number: 30 0/3, 2nd number: 2 5/8
90/3 + 21/8 is 261/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
90/3 = 90 × 8/3 × 8 = 720/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Add the two like fractions:
720/24 + 63/24 = 720 + 63/24 = 783/24 - 783/24 simplified gives 261/8
- So, 90/3 + 21/8 = 261/8
In mixed form: 325/8
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