Add 21/14 and 81/3
1st number: 1 7/14, 2nd number: 27 0/3
21/14 + 81/3 is 57/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
81/3 = 81 × 14/3 × 14 = 1134/42 - Add the two like fractions:
63/42 + 1134/42 = 63 + 1134/42 = 1197/42 - 1197/42 simplified gives 57/2
- So, 21/14 + 81/3 = 57/2
In mixed form: 281/2
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