Subtract 3/18 from 80/25, Solve 3 5/25

Subtract 3/18 from 80/25

1^st number: 3 5/25, 2^nd number: 3/18

80/25 - 3/18 is 91/30.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 25 × 18 = 450,
80/25 = 80 × 18/25 × 18 = 1440/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450
Subtract the two like fractions:
1440/450 - 75/450 = 1440 - 75/450 = 1365/450
After reducing the fraction, the answer is 91/30
In mixed form: 31/30

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