Subtract 42/40 from 12/75
1st number: 12/75, 2nd number: 1 2/40
12/75 - 42/40 is -89/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
12/75 = 12 × 8/75 × 8 = 96/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
42/40 = 42 × 15/40 × 15 = 630/600 - Subtract the two like fractions:
96/600 - 630/600 = 96 - 630/600 = -534/600 - After reducing the fraction, the answer is -89/100
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