Subtract 63/45 from 54/80
1st number: 54/80, 2nd number: 1 18/45
54/80 - 63/45 is -29/40.
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,
54/80 = 54 × 9/80 × 9 = 486/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
63/45 = 63 × 16/45 × 16 = 1008/720 - Subtract the two like fractions:
486/720 - 1008/720 = 486 - 1008/720 = -522/720 - After reducing the fraction, the answer is -29/40
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