Subtract 75/25 from 7/9, Solve 7/9 - 3 0/25 as a fraction

Subtract 75/25 from 7/9

1^st number: 7/9, 2^nd number: 3 0/25

7/9 - 75/25 is -20/9.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 9 × 25 = 225,
7/9 = 7 × 25/9 × 25 = 175/225
Likewise, for the 2nd fraction, since 25 × 9 = 225,
75/25 = 75 × 9/25 × 9 = 675/225
Subtract the two like fractions:
175/225 - 675/225 = 175 - 675/225 = -500/225
After reducing the fraction, the answer is -20/9

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