Subtract 42/24 from 9/25, Solve 9/25

Subtract 42/24 from 9/25

1^st number: 9/25, 2^nd number: 1 18/24

9/25 - 42/24 is -139/100.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 24 is 600

Next, find the equivalent fraction of both fractional numbers with denominator 600
For the 1st fraction, since 25 × 24 = 600,
9/25 = 9 × 24/25 × 24 = 216/600
Likewise, for the 2nd fraction, since 24 × 25 = 600,
42/24 = 42 × 25/24 × 25 = 1050/600
Subtract the two like fractions:
216/600 - 1050/600 = 216 - 1050/600 = -834/600
After reducing the fraction, the answer is -139/100

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