Add 45/20 and 40/18
1st number: 2 5/20, 2nd number: 2 4/18
45/20 + 40/18 is 161/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
45/20 = 45 × 9/20 × 9 = 405/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
40/18 = 40 × 10/18 × 10 = 400/180 - Add the two like fractions:
405/180 + 400/180 = 405 + 400/180 = 805/180 - 805/180 simplified gives 161/36
- So, 45/20 + 40/18 = 161/36
In mixed form: 417/36
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