Subtract 15/8 from 40/27
1st number: 1 13/27, 2nd number: 1 7/8
40/27 - 15/8 is -85/216.
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,
40/27 = 40 × 8/27 × 8 = 320/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
15/8 = 15 × 27/8 × 27 = 405/216 - Subtract the two like fractions:
320/216 - 405/216 = 320 - 405/216 = -85/216
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