Add 21/9 and 63/54
1st number: 2 3/9, 2nd number: 1 9/54
21/9 + 63/54 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
21/9 = 21 × 6/9 × 6 = 126/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
63/54 = 63 × 1/54 × 1 = 63/54 - Add the two like fractions:
126/54 + 63/54 = 126 + 63/54 = 189/54 - 189/54 simplified gives 7/2
- So, 21/9 + 63/54 = 7/2
In mixed form: 31/2
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