Add 45/4 and 9/21
1st number: 11 1/4, 2nd number: 9/21
45/4 + 9/21 is 327/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
45/4 = 45 × 21/4 × 21 = 945/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
9/21 = 9 × 4/21 × 4 = 36/84 - Add the two like fractions:
945/84 + 36/84 = 945 + 36/84 = 981/84 - 981/84 simplified gives 327/28
- So, 45/4 + 9/21 = 327/28
In mixed form: 1119/28
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