Add 21/36 and 45/4
1st number: 21/36, 2nd number: 11 1/4
21/36 + 45/4 is 71/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
45/4 = 45 × 9/4 × 9 = 405/36 - Add the two like fractions:
21/36 + 405/36 = 21 + 405/36 = 426/36 - 426/36 simplified gives 71/6
- So, 21/36 + 45/4 = 71/6
In mixed form: 115/6
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