Subtract 9/45 from 50/80
50/80 - 9/45 is 17/40.
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,
50/80 = 50 × 9/80 × 9 = 450/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
9/45 = 9 × 16/45 × 16 = 144/720 - Subtract the two like fractions:
450/720 - 144/720 = 450 - 144/720 = 306/720 - After reducing the fraction, the answer is 17/40
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