Add 9/4 and 20/5
1st number: 2 1/4, 2nd number: 4 0/5
9/4 + 20/5 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
9/4 = 9 × 5/4 × 5 = 45/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
20/5 = 20 × 4/5 × 4 = 80/20 - Add the two like fractions:
45/20 + 80/20 = 45 + 80/20 = 125/20 - 125/20 simplified gives 25/4
- So, 9/4 + 20/5 = 25/4
In mixed form: 61/4
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