Subtract 8/49 from 25/40, Solve 25/40

Subtract 8/49 from 25/40

25/40 - 8/49 is 181/392.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960

Next, find the equivalent fraction of both fractional numbers with denominator 1960
For the 1st fraction, since 40 × 49 = 1960,
25/40 = 25 × 49/40 × 49 = 1225/1960
Likewise, for the 2nd fraction, since 49 × 40 = 1960,
8/49 = 8 × 40/49 × 40 = 320/1960
Subtract the two like fractions:
1225/1960 - 320/1960 = 1225 - 320/1960 = 905/1960
After reducing the fraction, the answer is 181/392

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