Add 81/28 and 5/84
1st number: 2 25/28, 2nd number: 5/84
81/28 + 5/84 is 62/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
5/84 = 5 × 1/84 × 1 = 5/84 - Add the two like fractions:
243/84 + 5/84 = 243 + 5/84 = 248/84 - 248/84 simplified gives 62/21
- So, 81/28 + 5/84 = 62/21
In mixed form: 220/21
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