Add 7/84 and 9/4
1st number: 7/84, 2nd number: 2 1/4
7/84 + 9/4 is 7/3.
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,
7/84 = 7 × 1/84 × 1 = 7/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
9/4 = 9 × 21/4 × 21 = 189/84 - Add the two like fractions:
7/84 + 189/84 = 7 + 189/84 = 196/84 - 196/84 simplified gives 7/3
- So, 7/84 + 9/4 = 7/3
In mixed form: 21/3
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