Add 45/2 and 81/21
1st number: 22 1/2, 2nd number: 3 18/21
45/2 + 81/21 is 369/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
45/2 = 45 × 21/2 × 21 = 945/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
81/21 = 81 × 2/21 × 2 = 162/42 - Add the two like fractions:
945/42 + 162/42 = 945 + 162/42 = 1107/42 - 1107/42 simplified gives 369/14
- So, 45/2 + 81/21 = 369/14
In mixed form: 265/14
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