Subtract 90/12 from 30/50
1st number: 30/50, 2nd number: 7 6/12
30/50 - 90/12 is -69/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
30/50 = 30 × 6/50 × 6 = 180/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
90/12 = 90 × 25/12 × 25 = 2250/300 - Subtract the two like fractions:
180/300 - 2250/300 = 180 - 2250/300 = -2070/300 - After reducing the fraction, the answer is -69/10
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