Add 14/12 and 21/90
1st number: 1 2/12, 2nd number: 21/90
14/12 + 21/90 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
14/12 = 14 × 15/12 × 15 = 210/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
21/90 = 21 × 2/90 × 2 = 42/180 - Add the two like fractions:
210/180 + 42/180 = 210 + 42/180 = 252/180 - 252/180 simplified gives 7/5
- So, 14/12 + 21/90 = 7/5
In mixed form: 12/5
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