Add 21/36 and 63/9
1st number: 21/36, 2nd number: 7 0/9
21/36 + 63/9 is 91/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 9 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 9 × 4 = 36,
63/9 = 63 × 4/9 × 4 = 252/36 - Add the two like fractions:
21/36 + 252/36 = 21 + 252/36 = 273/36 - 273/36 simplified gives 91/12
- So, 21/36 + 63/9 = 91/12
In mixed form: 77/12
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