Add 21/20 and 54/3
1st number: 1 1/20, 2nd number: 18 0/3
21/20 + 54/3 is 381/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
54/3 = 54 × 20/3 × 20 = 1080/60 - Add the two like fractions:
63/60 + 1080/60 = 63 + 1080/60 = 1143/60 - 1143/60 simplified gives 381/20
- So, 21/20 + 54/3 = 381/20
In mixed form: 191/20
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