Subtract 80/90 from 75/25
1st number: 3 0/25, 2nd number: 80/90
75/25 - 80/90 is 19/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
75/25 = 75 × 18/25 × 18 = 1350/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
80/90 = 80 × 5/90 × 5 = 400/450 - Subtract the two like fractions:
1350/450 - 400/450 = 1350 - 400/450 = 950/450 - After reducing the fraction, the answer is 19/9
- In mixed form: 21/9
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