Subtract 75/42 from 30/48
1st number: 30/48, 2nd number: 1 33/42
30/48 - 75/42 is -65/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
30/48 = 30 × 7/48 × 7 = 210/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
75/42 = 75 × 8/42 × 8 = 600/336 - Subtract the two like fractions:
210/336 - 600/336 = 210 - 600/336 = -390/336 - After reducing the fraction, the answer is -65/56
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