Subtract 25/40 from 15/5, Solve 3 0/5

Subtract 25/40 from 15/5

1^st number: 3 0/5, 2^nd number: 25/40

15/5 - 25/40 is 19/8.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 5 × 8 = 40,
15/5 = 15 × 8/5 × 8 = 120/40
Likewise, for the 2nd fraction, since 40 × 1 = 40,
25/40 = 25 × 1/40 × 1 = 25/40
Subtract the two like fractions:
120/40 - 25/40 = 120 - 25/40 = 95/40
After reducing the fraction, the answer is 19/8
In mixed form: 23/8

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