Add 40/3 and 15/20
1st number: 13 1/3, 2nd number: 15/20
40/3 + 15/20 is 169/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
40/3 = 40 × 20/3 × 20 = 800/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Add the two like fractions:
800/60 + 45/60 = 800 + 45/60 = 845/60 - 845/60 simplified gives 169/12
- So, 40/3 + 15/20 = 169/12
In mixed form: 141/12
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