Subtract 27/72 from 75/42
1st number: 1 33/42, 2nd number: 27/72
75/42 - 27/72 is 79/56.
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,
27/72 = 27 × 7/72 × 7 = 189/504 - Subtract the two like fractions:
900/504 - 189/504 = 900 - 189/504 = 711/504 - After reducing the fraction, the answer is 79/56
- In mixed form: 123/56
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