Subtract 20/48 from 75/42
1st number: 1 33/42, 2nd number: 20/48
75/42 - 20/48 is 115/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
75/42 = 75 × 8/42 × 8 = 600/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
20/48 = 20 × 7/48 × 7 = 140/336 - Subtract the two like fractions:
600/336 - 140/336 = 600 - 140/336 = 460/336 - After reducing the fraction, the answer is 115/84
- In mixed form: 131/84
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