Subtract 28/25 from 9/80
1st number: 9/80, 2nd number: 1 3/25
9/80 - 28/25 is -403/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
9/80 = 9 × 5/80 × 5 = 45/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
28/25 = 28 × 16/25 × 16 = 448/400 - Subtract the two like fractions:
45/400 - 448/400 = 45 - 448/400 = -403/400
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