Subtract 10/90 from 75/4
1st number: 18 3/4, 2nd number: 10/90
75/4 - 10/90 is 671/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
75/4 = 75 × 45/4 × 45 = 3375/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
10/90 = 10 × 2/90 × 2 = 20/180 - Subtract the two like fractions:
3375/180 - 20/180 = 3375 - 20/180 = 3355/180 - After reducing the fraction, the answer is 671/36
- In mixed form: 1823/36
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