Subtract 54/30 from 9/12
1st number: 9/12, 2nd number: 1 24/30
9/12 - 54/30 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
54/30 = 54 × 2/30 × 2 = 108/60 - Subtract the two like fractions:
45/60 - 108/60 = 45 - 108/60 = -63/60 - After reducing the fraction, the answer is -21/20
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