Subtract 90/80 from 10/45
1st number: 10/45, 2nd number: 1 10/80
10/45 - 90/80 is -65/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
10/45 = 10 × 16/45 × 16 = 160/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
90/80 = 90 × 9/80 × 9 = 810/720 - Subtract the two like fractions:
160/720 - 810/720 = 160 - 810/720 = -650/720 - After reducing the fraction, the answer is -65/72
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