Subtract 70/45 from 45/54
1st number: 45/54, 2nd number: 1 25/45
45/54 - 70/45 is -13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
70/45 = 70 × 6/45 × 6 = 420/270 - Subtract the two like fractions:
225/270 - 420/270 = 225 - 420/270 = -195/270 - After reducing the fraction, the answer is -13/18
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