Add 28/40 and 9/4
1st number: 28/40, 2nd number: 2 1/4
28/40 + 9/4 is 59/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
9/4 = 9 × 10/4 × 10 = 90/40 - Add the two like fractions:
28/40 + 90/40 = 28 + 90/40 = 118/40 - 118/40 simplified gives 59/20
- So, 28/40 + 9/4 = 59/20
In mixed form: 219/20
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