Add 25/12 and 81/84
1st number: 2 1/12, 2nd number: 81/84
25/12 + 81/84 is 64/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
25/12 = 25 × 7/12 × 7 = 175/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Add the two like fractions:
175/84 + 81/84 = 175 + 81/84 = 256/84 - 256/84 simplified gives 64/21
- So, 25/12 + 81/84 = 64/21
In mixed form: 31/21
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