Add 84/45 and 12/90
1st number: 1 39/45, 2nd number: 12/90
84/45 + 12/90 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
168/90 + 12/90 = 168 + 12/90 = 180/90 - 180/90 simplified gives 2/1
- So, 84/45 + 12/90 = 2/1
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