Add 15/4 and 54/8
1st number: 3 3/4, 2nd number: 6 6/8
15/4 + 54/8 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
15/4 = 15 × 2/4 × 2 = 30/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
54/8 = 54 × 1/8 × 1 = 54/8 - Add the two like fractions:
30/8 + 54/8 = 30 + 54/8 = 84/8 - 84/8 simplified gives 21/2
- So, 15/4 + 54/8 = 21/2
In mixed form: 101/2
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