Subtract 4/9 from 40/25, Solve 1 15/25

Subtract 4/9 from 40/25

1^st number: 1 15/25, 2^nd number: 4/9

40/25 - 4/9 is 52/45.

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

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 25 × 9 = 225,
40/25 = 40 × 9/25 × 9 = 360/225
Likewise, for the 2nd fraction, since 9 × 25 = 225,
4/9 = 4 × 25/9 × 25 = 100/225
Subtract the two like fractions:
360/225 - 100/225 = 360 - 100/225 = 260/225
After reducing the fraction, the answer is 52/45
In mixed form: 17/45

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