Subtract 70/72 from 10/54
10/54 - 70/72 is -85/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
10/54 = 10 × 4/54 × 4 = 40/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
70/72 = 70 × 3/72 × 3 = 210/216 - Subtract the two like fractions:
40/216 - 210/216 = 40 - 210/216 = -170/216 - After reducing the fraction, the answer is -85/108
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