Subtract 30/6 from 54/15
1st number: 3 9/15, 2nd number: 5 0/6
54/15 - 30/6 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
30/6 = 30 × 5/6 × 5 = 150/30 - Subtract the two like fractions:
108/30 - 150/30 = 108 - 150/30 = -42/30 - After reducing the fraction, the answer is -7/5
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