Subtract 12/8 from 90/75
1st number: 1 15/75, 2nd number: 1 4/8
90/75 - 12/8 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 8 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
90/75 = 90 × 8/75 × 8 = 720/600 - Likewise, for the 2nd fraction, since 8 × 75 = 600,
12/8 = 12 × 75/8 × 75 = 900/600 - Subtract the two like fractions:
720/600 - 900/600 = 720 - 900/600 = -180/600 - After reducing the fraction, the answer is -3/10
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