Add 45/81 and 21/14
1st number: 45/81, 2nd number: 1 7/14
45/81 + 21/14 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 14 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
45/81 = 45 × 14/81 × 14 = 630/1134 - Likewise, for the 2nd fraction, since 14 × 81 = 1134,
21/14 = 21 × 81/14 × 81 = 1701/1134 - Add the two like fractions:
630/1134 + 1701/1134 = 630 + 1701/1134 = 2331/1134 - 2331/1134 simplified gives 37/18
- So, 45/81 + 21/14 = 37/18
In mixed form: 21/18
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