Add 54/3 and 21/5
1st number: 18 0/3, 2nd number: 4 1/5
54/3 + 21/5 is 111/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
54/3 = 54 × 5/3 × 5 = 270/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
21/5 = 21 × 3/5 × 3 = 63/15 - Add the two like fractions:
270/15 + 63/15 = 270 + 63/15 = 333/15 - 333/15 simplified gives 111/5
- So, 54/3 + 21/5 = 111/5
In mixed form: 221/5
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