Add 36/9 and 25/20
1st number: 4 0/9, 2nd number: 1 5/20
36/9 + 25/20 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
36/9 = 36 × 20/9 × 20 = 720/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
25/20 = 25 × 9/20 × 9 = 225/180 - Add the two like fractions:
720/180 + 225/180 = 720 + 225/180 = 945/180 - 945/180 simplified gives 21/4
- So, 36/9 + 25/20 = 21/4
In mixed form: 51/4
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