Add 21/36 and 90/5
1st number: 21/36, 2nd number: 18 0/5
21/36 + 90/5 is 223/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 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 5 × 36 = 180,
90/5 = 90 × 36/5 × 36 = 3240/180 - Add the two like fractions:
105/180 + 3240/180 = 105 + 3240/180 = 3345/180 - 3345/180 simplified gives 223/12
- So, 21/36 + 90/5 = 223/12
In mixed form: 187/12
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