Subtract 28/80 from 9/4
1st number: 2 1/4, 2nd number: 28/80
9/4 - 28/80 is 19/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
9/4 = 9 × 20/4 × 20 = 180/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Subtract the two like fractions:
180/80 - 28/80 = 180 - 28/80 = 152/80 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
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