Subtract 45/27 from 49/72
1st number: 49/72, 2nd number: 1 18/27
49/72 - 45/27 is -71/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
49/72 = 49 × 3/72 × 3 = 147/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
45/27 = 45 × 8/27 × 8 = 360/216 - Subtract the two like fractions:
147/216 - 360/216 = 147 - 360/216 = -213/216 - After reducing the fraction, the answer is -71/72
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