Add 21/7 and 20/36
1st number: 3 0/7, 2nd number: 20/36
21/7 + 20/36 is 32/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
21/7 = 21 × 36/7 × 36 = 756/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Add the two like fractions:
756/252 + 140/252 = 756 + 140/252 = 896/252 - 896/252 simplified gives 32/9
- So, 21/7 + 20/36 = 32/9
In mixed form: 35/9
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