Subtract 15/8 from 30/54
1st number: 30/54, 2nd number: 1 7/8
30/54 - 15/8 is -95/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
30/54 = 30 × 4/54 × 4 = 120/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
15/8 = 15 × 27/8 × 27 = 405/216 - Subtract the two like fractions:
120/216 - 405/216 = 120 - 405/216 = -285/216 - After reducing the fraction, the answer is -95/72
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