Subtract 20/30 from 75/9
1st number: 8 3/9, 2nd number: 20/30
75/9 - 20/30 is 23/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
75/9 = 75 × 10/9 × 10 = 750/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Subtract the two like fractions:
750/90 - 60/90 = 750 - 60/90 = 690/90 - After reducing the fraction, the answer is 23/3
- In mixed form: 72/3
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