Subtract 10/70 from 75/9
1st number: 8 3/9, 2nd number: 10/70
75/9 - 10/70 is 172/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
75/9 = 75 × 70/9 × 70 = 5250/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
10/70 = 10 × 9/70 × 9 = 90/630 - Subtract the two like fractions:
5250/630 - 90/630 = 5250 - 90/630 = 5160/630 - After reducing the fraction, the answer is 172/21
- In mixed form: 84/21
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