Add 54/3 and 21/8
1st number: 18 0/3, 2nd number: 2 5/8
54/3 + 21/8 is 165/8.
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,
54/3 = 54 × 8/3 × 8 = 432/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Add the two like fractions:
432/24 + 63/24 = 432 + 63/24 = 495/24 - 495/24 simplified gives 165/8
- So, 54/3 + 21/8 = 165/8
In mixed form: 205/8
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