Add 40/15 and 45/20
1st number: 2 10/15, 2nd number: 2 5/20
40/15 + 45/20 is 59/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
160/60 + 135/60 = 160 + 135/60 = 295/60 - 295/60 simplified gives 59/12
- So, 40/15 + 45/20 = 59/12
In mixed form: 411/12
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