Add 7/84 and 81/4
1st number: 7/84, 2nd number: 20 1/4
7/84 + 81/4 is 61/3.
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,
81/4 = 81 × 21/4 × 21 = 1701/84 - Add the two like fractions:
7/84 + 1701/84 = 7 + 1701/84 = 1708/84 - 1708/84 simplified gives 61/3
- So, 7/84 + 81/4 = 61/3
In mixed form: 201/3
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