Subtract 12/8 from 30/25, Solve 1 5/25

Subtract 12/8 from 30/25

1^st number: 1 5/25, 2^nd number: 1 4/8

30/25 - 12/8 is -3/10.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200

Next, find the equivalent fraction of both fractional numbers with denominator 200
For the 1st fraction, since 25 × 8 = 200,
30/25 = 30 × 8/25 × 8 = 240/200
Likewise, for the 2nd fraction, since 8 × 25 = 200,
12/8 = 12 × 25/8 × 25 = 300/200
Subtract the two like fractions:
240/200 - 300/200 = 240 - 300/200 = -60/200
After reducing the fraction, the answer is -3/10

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