Add 54/84 and 9/4
1st number: 54/84, 2nd number: 2 1/4
54/84 + 9/4 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
54/84 = 54 × 1/84 × 1 = 54/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
9/4 = 9 × 21/4 × 21 = 189/84 - Add the two like fractions:
54/84 + 189/84 = 54 + 189/84 = 243/84 - 243/84 simplified gives 81/28
- So, 54/84 + 9/4 = 81/28
In mixed form: 225/28
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