Add 28/20 and 9/4
1st number: 1 8/20, 2nd number: 2 1/4
28/20 + 9/4 is 73/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
28/20 = 28 × 1/20 × 1 = 28/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
9/4 = 9 × 5/4 × 5 = 45/20 - Add the two like fractions:
28/20 + 45/20 = 28 + 45/20 = 73/20 - So, 28/20 + 9/4 = 73/20
In mixed form: 313/20
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