Add 12/9 and 20/40
1st number: 1 3/9, 2nd number: 20/40
12/9 + 20/40 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
12/9 = 12 × 40/9 × 40 = 480/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
20/40 = 20 × 9/40 × 9 = 180/360 - Add the two like fractions:
480/360 + 180/360 = 480 + 180/360 = 660/360 - 660/360 simplified gives 11/6
- So, 12/9 + 20/40 = 11/6
In mixed form: 15/6
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