Subtract 70/54 from 18/90
1st number: 18/90, 2nd number: 1 16/54
18/90 - 70/54 is -148/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
18/90 = 18 × 3/90 × 3 = 54/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
70/54 = 70 × 5/54 × 5 = 350/270 - Subtract the two like fractions:
54/270 - 350/270 = 54 - 350/270 = -296/270 - After reducing the fraction, the answer is -148/135
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