Add 3/12 and 84/90
3/12 + 84/90 is 71/60.
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,
3/12 = 3 × 15/12 × 15 = 45/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
84/90 = 84 × 2/90 × 2 = 168/180 - Add the two like fractions:
45/180 + 168/180 = 45 + 168/180 = 213/180 - 213/180 simplified gives 71/60
- So, 3/12 + 84/90 = 71/60
In mixed form: 111/60
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