Add 21/36 and 75/15
1st number: 21/36, 2nd number: 5 0/15
21/36 + 75/15 is 67/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
75/15 = 75 × 12/15 × 12 = 900/180 - Add the two like fractions:
105/180 + 900/180 = 105 + 900/180 = 1005/180 - 1005/180 simplified gives 67/12
- So, 21/36 + 75/15 = 67/12
In mixed form: 57/12
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