Subtract 54/45 from 20/50
1st number: 20/50, 2nd number: 1 9/45
20/50 - 54/45 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
54/45 = 54 × 10/45 × 10 = 540/450 - Subtract the two like fractions:
180/450 - 540/450 = 180 - 540/450 = -360/450 - After reducing the fraction, the answer is -4/5
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