Subtract 80/45 from 56/80
1st number: 56/80, 2nd number: 1 35/45
56/80 - 80/45 is -97/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
56/80 = 56 × 9/80 × 9 = 504/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
80/45 = 80 × 16/45 × 16 = 1280/720 - Subtract the two like fractions:
504/720 - 1280/720 = 504 - 1280/720 = -776/720 - After reducing the fraction, the answer is -97/90
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Related: 56/80-80/90