Subtract 48/45 from 18/80
1st number: 18/80, 2nd number: 1 3/45
18/80 - 48/45 is -101/120.
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,
18/80 = 18 × 9/80 × 9 = 162/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
48/45 = 48 × 16/45 × 16 = 768/720 - Subtract the two like fractions:
162/720 - 768/720 = 162 - 768/720 = -606/720 - After reducing the fraction, the answer is -101/120
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