Add 12/90 and 84/20
1st number: 12/90, 2nd number: 4 4/20
12/90 + 84/20 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Add the two like fractions:
24/180 + 756/180 = 24 + 756/180 = 780/180 - 780/180 simplified gives 13/3
- So, 12/90 + 84/20 = 13/3
In mixed form: 41/3
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