Add 84/90 and 14/12
1st number: 84/90, 2nd number: 1 2/12
84/90 + 14/12 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
84/90 = 84 × 2/90 × 2 = 168/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
14/12 = 14 × 15/12 × 15 = 210/180 - Add the two like fractions:
168/180 + 210/180 = 168 + 210/180 = 378/180 - 378/180 simplified gives 21/10
- So, 84/90 + 14/12 = 21/10
In mixed form: 21/10
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