Add 9/36 and 63/21
1st number: 9/36, 2nd number: 3 0/21
9/36 + 63/21 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
9/36 = 9 × 7/36 × 7 = 63/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
63/21 = 63 × 12/21 × 12 = 756/252 - Add the two like fractions:
63/252 + 756/252 = 63 + 756/252 = 819/252 - 819/252 simplified gives 13/4
- So, 9/36 + 63/21 = 13/4
In mixed form: 31/4
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