Subtract 6/72 from 75/42
1st number: 1 33/42, 2nd number: 6/72
75/42 - 6/72 is 143/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
75/42 = 75 × 12/42 × 12 = 900/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504 - Subtract the two like fractions:
900/504 - 42/504 = 900 - 42/504 = 858/504 - After reducing the fraction, the answer is 143/84
- In mixed form: 159/84
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