Subtract 54/45 from 8/5
1st number: 1 3/5, 2nd number: 1 9/45
8/5 - 54/45 is 2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
8/5 = 8 × 9/5 × 9 = 72/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
54/45 = 54 × 1/45 × 1 = 54/45 - Subtract the two like fractions:
72/45 - 54/45 = 72 - 54/45 = 18/45 - After reducing the fraction, the answer is 2/5
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