Subtract 45/18 from 90/56
1st number: 1 34/56, 2nd number: 2 9/18
90/56 - 45/18 is -25/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
45/18 = 45 × 28/18 × 28 = 1260/504 - Subtract the two like fractions:
810/504 - 1260/504 = 810 - 1260/504 = -450/504 - After reducing the fraction, the answer is -25/28
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