Add 28/36 and 21/7
1st number: 28/36, 2nd number: 3 0/7
28/36 + 21/7 is 34/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
21/7 = 21 × 36/7 × 36 = 756/252 - Add the two like fractions:
196/252 + 756/252 = 196 + 756/252 = 952/252 - 952/252 simplified gives 34/9
- So, 28/36 + 21/7 = 34/9
In mixed form: 37/9
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