Add 45/60 and 18/9
1st number: 45/60, 2nd number: 2 0/9
45/60 + 18/9 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
18/9 = 18 × 20/9 × 20 = 360/180 - Add the two like fractions:
135/180 + 360/180 = 135 + 360/180 = 495/180 - 495/180 simplified gives 11/4
- So, 45/60 + 18/9 = 11/4
In mixed form: 23/4
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