Subtract 18/9 from 90/56
1st number: 1 34/56, 2nd number: 2 0/9
90/56 - 18/9 is -11/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 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 9 × 56 = 504,
18/9 = 18 × 56/9 × 56 = 1008/504 - Subtract the two like fractions:
810/504 - 1008/504 = 810 - 1008/504 = -198/504 - After reducing the fraction, the answer is -11/28
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