Add 54/80 and 21/8
1st number: 54/80, 2nd number: 2 5/8
54/80 + 21/8 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
54/80 = 54 × 1/80 × 1 = 54/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
21/8 = 21 × 10/8 × 10 = 210/80 - Add the two like fractions:
54/80 + 210/80 = 54 + 210/80 = 264/80 - 264/80 simplified gives 33/10
- So, 54/80 + 21/8 = 33/10
In mixed form: 33/10
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