Subtract 28/8 from 15/27
1st number: 15/27, 2nd number: 3 4/8
15/27 - 28/8 is -53/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
15/27 = 15 × 8/27 × 8 = 120/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
28/8 = 28 × 27/8 × 27 = 756/216 - Subtract the two like fractions:
120/216 - 756/216 = 120 - 756/216 = -636/216 - After reducing the fraction, the answer is -53/18
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