Subtract 45/25 from 9/28, Solve 9/28

Subtract 45/25 from 9/28

1^st number: 9/28, 2^nd number: 1 20/25

9/28 - 45/25 is -207/140.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700

Next, find the equivalent fraction of both fractional numbers with denominator 700
For the 1st fraction, since 28 × 25 = 700,
9/28 = 9 × 25/28 × 25 = 225/700
Likewise, for the 2nd fraction, since 25 × 28 = 700,
45/25 = 45 × 28/25 × 28 = 1260/700
Subtract the two like fractions:
225/700 - 1260/700 = 225 - 1260/700 = -1035/700
After reducing the fraction, the answer is -207/140

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