Add 90/2 and 21/8
1st number: 45 0/2, 2nd number: 2 5/8
90/2 + 21/8 is 381/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
90/2 = 90 × 4/2 × 4 = 360/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
21/8 = 21 × 1/8 × 1 = 21/8 - Add the two like fractions:
360/8 + 21/8 = 360 + 21/8 = 381/8 - So, 90/2 + 21/8 = 381/8
In mixed form: 475/8
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