Add 21/6 and 81/56
1st number: 3 3/6, 2nd number: 1 25/56
21/6 + 81/56 is 277/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 6 × 28 = 168,
21/6 = 21 × 28/6 × 28 = 588/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
81/56 = 81 × 3/56 × 3 = 243/168 - Add the two like fractions:
588/168 + 243/168 = 588 + 243/168 = 831/168 - 831/168 simplified gives 277/56
- So, 21/6 + 81/56 = 277/56
In mixed form: 453/56
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