Subtract 28/40 from 9/2
1st number: 4 1/2, 2nd number: 28/40
9/2 - 28/40 is 19/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
9/2 = 9 × 20/2 × 20 = 180/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Subtract the two like fractions:
180/40 - 28/40 = 180 - 28/40 = 152/40 - After reducing the fraction, the answer is 19/5
- In mixed form: 34/5
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