Subtract 3/25 from 90/40, Solve 2 10/40

Subtract 3/25 from 90/40

1^st number: 2 10/40, 2^nd number: 3/25

90/40 - 3/25 is 213/100.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200

Next, find the equivalent fraction of both fractional numbers with denominator 200
For the 1st fraction, since 40 × 5 = 200,
90/40 = 90 × 5/40 × 5 = 450/200
Likewise, for the 2nd fraction, since 25 × 8 = 200,
3/25 = 3 × 8/25 × 8 = 24/200
Subtract the two like fractions:
450/200 - 24/200 = 450 - 24/200 = 426/200
After reducing the fraction, the answer is 213/100
In mixed form: 213/100

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