Subtract 54/10 from 45/84
1st number: 45/84, 2nd number: 5 4/10
45/84 - 54/10 is -681/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
54/10 = 54 × 42/10 × 42 = 2268/420 - Subtract the two like fractions:
225/420 - 2268/420 = 225 - 2268/420 = -2043/420 - After reducing the fraction, the answer is -681/140
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