Add 15/9 and 40/20
1st number: 1 6/9, 2nd number: 2 0/20
15/9 + 40/20 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
15/9 = 15 × 20/9 × 20 = 300/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Add the two like fractions:
300/180 + 360/180 = 300 + 360/180 = 660/180 - 660/180 simplified gives 11/3
- So, 15/9 + 40/20 = 11/3
In mixed form: 32/3
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