Add 45/20 and 45/36
1st number: 2 5/20, 2nd number: 1 9/36
45/20 + 45/36 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 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 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Add the two like fractions:
405/180 + 225/180 = 405 + 225/180 = 630/180 - 630/180 simplified gives 7/2
- So, 45/20 + 45/36 = 7/2
In mixed form: 31/2
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