Subtract 56/45 from 90/20
1st number: 4 10/20, 2nd number: 1 11/45
90/20 - 56/45 is 293/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
56/45 = 56 × 4/45 × 4 = 224/180 - Subtract the two like fractions:
810/180 - 224/180 = 810 - 224/180 = 586/180 - After reducing the fraction, the answer is 293/90
- In mixed form: 323/90
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