Subtract 10/90 from 80/50
1st number: 1 30/50, 2nd number: 10/90
80/50 - 10/90 is 67/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
10/90 = 10 × 5/90 × 5 = 50/450 - Subtract the two like fractions:
720/450 - 50/450 = 720 - 50/450 = 670/450 - After reducing the fraction, the answer is 67/45
- In mixed form: 122/45
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