Add 21/8 and 9/3
1st number: 2 5/8, 2nd number: 3 0/3
21/8 + 9/3 is 45/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
9/3 = 9 × 8/3 × 8 = 72/24 - Add the two like fractions:
63/24 + 72/24 = 63 + 72/24 = 135/24 - 135/24 simplified gives 45/8
- So, 21/8 + 9/3 = 45/8
In mixed form: 55/8
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