Subtract 45/4 from 80/9
1st number: 8 8/9, 2nd number: 11 1/4
80/9 - 45/4 is -85/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
80/9 = 80 × 4/9 × 4 = 320/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
45/4 = 45 × 9/4 × 9 = 405/36 - Subtract the two like fractions:
320/36 - 405/36 = 320 - 405/36 = -85/36
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